user: You are a structured reasoning expert tasked with solving problems step by step. 
You first think about the reasoning process in the mind and then provide the answer. The reasoning process and answer should be enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answer here </answer>. 
Given a question and the associated knowledge graph triplets (entity, relation, entity), you are asked to answer the question with these triplets and your own knowledge. 
You can break down the original question into several sub-questions and explore the given knowledge graph to solve them step-by-step. If there are multiple possible answers, choose one as the final answer. 
After thinking, when you finally reach a conclusion, clearly state the answer within <answer> </answer> tags, i.e., <answer> answer here </answer>. 
Question: what was the title of the book charles darwin wrote? 
Knowledge Triplets: Janet Browne, book.author.works_written, Charles Darwin: The Power of Place
The Correspondence of Charles Darwin, Volume 18: 1870, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 17: 1869
Charles Darwin: The Power of Place, book.written_work.subjects, Charles Darwin
The Correspondence of Charles Darwin, Volume 13: 1865, book.written_work.author, Charles Darwin
Charles Darwin in Cyberspace, book.book.genre, Fiction
Darwin's Black Box: The Biochemical Challenge to Evolution, book.written_work.subjects, Charles Darwin
The Reluctant Mr. Darwin, book.written_work.subjects, History
Darwin on Trial, book.written_work.subjects, Charles Darwin
Charles Darwin, book.written_work.author, The Correspondence of Charles Darwin, Volume 3: 1844-1846
The Reluctant Mr. Darwin, book.written_work.subjects, Charles Darwin
The Correspondence of Charles Darwin, Volume 17: 1869, book.written_work.original_language, English Language
Darwin and the Darwinian revolution, book.written_work.subjects, Natural history
Charles Darwin, book.written_work.subjects, Biology
Charles Darwin, book.written_work.subjects, Natural history
The Correspondence of Charles Darwin, Volume 14: 1866, book.written_work.original_language, English Language
Darwin's untimely burial, book.written_work.subjects, Charles Darwin
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 1: 1821-1836
Charles Darwin in Cyberspace, book.written_work.author, Claire Burch
The Correspondence of Charles Darwin, Volume 9: 1861, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 10: 1862
Charles Darwin, book.book_subject.works, Darwin Loves You: Natural Selection and the Re-Enchantment of the World
Charles Darwin, book.book.genre, Biography
Darwin's big book, book.written_work.subjects, Evolution
The Correspondence of Charles Darwin, Volume 7: 1858-1859, book.written_work.author, Charles Darwin
The Reluctant Mr. Darwin, book.book.genre, Autobiography
The Correspondence of Charles Darwin, Volume 1: 1821-1836, book.written_work.original_language, English Language
Darwin and His Great Discovery, book.written_work.subjects, Biology
Charles Darwin: The Power of Place, book.written_work.author, Janet Browne
The Tree of Life: Charles Darwin, book.book.genre, Children's literature
The Correspondence of Charles Darwin, Volume 13: 1865, book.written_work.original_language, English Language
The Correspondence of Charles Darwin, Volume 15: 1867, book.book.genre, Science
Darwin and His Great Discovery, book.written_work.subjects, Evolution
The Autobiography of Charles Darwin, book.written_work.subjects, Biology
The Reluctant Mr. Darwin, book.written_work.subjects, Natural history
The Tree of Life: Charles Darwin, book.written_work.subjects, Charles Darwin
Darwin's Black Box: The Biochemical Challenge to Evolution, book.written_work.subjects, Evolution
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 8: 1860
Charles Darwin, book.book_subject.works, Darwin on Trial
The Autobiography of Charles Darwin, book.written_work.subjects, Great Britain
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 15: 1867
In 1856, Darwin began to write his great work on evolution and natural selection., base.kwebbase.kwsentence.kwtopic, Charles Darwin
The Correspondence of Charles Darwin, Volume 4: 1847-1850, common.topic.notable_types, Book
Charles Darwin: A Scientific Biography, book.written_work.subjects, Charles Darwin
Darwin, book.written_work.subjects, Science
The Reluctant Mr. Darwin, book.written_work.author, David Quammen
Francis Darwin, book.author.works_written, The Autobiography of Charles Darwin
The Tree of Life: Charles Darwin, book.book.genre, Non-fiction
The Correspondence of Charles Darwin, Volume 2: 1837-1843, book.written_work.author, Charles Darwin
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 14: 1866
The Correspondence of Charles Darwin, Volume 7: 1858-1859, book.written_work.part_of_series, The Correspondence of Charles Darwin
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 16: 1868
Darwin Loves You: Natural Selection and the Re-Enchantment of the World, book.written_work.subjects, Charles Darwin
Charles Darwin, book.book_subject.works, Darwin's untimely burial
The Correspondence of Charles Darwin, Volume 6: 1856-1857, book.written_work.original_language, English Language
The Correspondence of Charles Darwin, Volume 15: 1867, book.written_work.original_language, English Language
The Autobiography of Charles Darwin, book.written_work.subjects, History
The Correspondence of Charles Darwin, Volume 2: 1837-1843, common.topic.notable_types, Book
Darwin and His Great Discovery, book.written_work.subjects, Natural history
The Correspondence of Charles Darwin, Volume 8: 1860, book.written_work.editor, Janet Browne
The Survival of Charles Darwin: A Biography of a Man and an Idea, book.written_work.subjects, Charles Darwin
The Correspondence of Charles Darwin, Volume 6: 1856-1857, common.topic.notable_types, Book
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 2: 1837-1843
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 9: 1861
Charles Darwin, book.written_work.author, Grant Allen
The Correspondence of Charles Darwin, Volume 1: 1821-1836, book.written_work.subjects, Biology
Charles Darwin: The Power of Place, book.written_work.previous_in_series, Charles Darwin: Voyaging
Darwin and His Great Discovery, book.written_work.subjects, Charles Darwin
The Autobiography of Charles Darwin, book.written_work.original_language, English Language
The Power of Movement in Plants, book.written_work.author, Charles Darwin
The Correspondence of Charles Darwin, Volume 7: 1858-1859, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 6: 1856-1857
The Correspondence of Charles Darwin, Volume 2: 1837-1843, book.written_work.part_of_series, The Correspondence of Charles Darwin
The Correspondence of Charles Darwin, Volume 6: 1856-1857, book.written_work.author, Charles Darwin
Darwin's untimely burial, book.written_work.author, Stephen Jay Gould
The Correspondence of Charles Darwin, Volume 12: 1864, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 11: 1863
The Darwin conspiracy, book.written_work.subjects, Charles Darwin
The Correspondence of Charles Darwin, Volume 1: 1821-1836, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 2: 1837-1843
Francis Darwin, book.author.works_written, The Life and Letters of Charles Darwin
The Correspondence of Charles Darwin, Volume 17: 1869, book.written_work.part_of_series, The Correspondence of Charles Darwin
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 18: 1870
The Correspondence of Charles Darwin, Volume 14: 1866, common.topic.notable_types, Book
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 13: 1865
The Autobiography of Charles Darwin, book.book.genre, Autobiography
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 7: 1858-1859
The Correspondence of Charles Darwin, Volume 15: 1867, common.topic.notable_types, Book
The Correspondence of Charles Darwin, Volume 7: 1858-1859, book.written_work.original_language, English Language
The Correspondence of Charles Darwin, Volume 4: 1847-1850, book.written_work.part_of_series, The Correspondence of Charles Darwin
Grant Allen, book.author.works_written, Charles Darwin
Celebrating Evolution the Web Way, book.written_work.subjects, Charles Darwin
Darwin's Black Box: The Biochemical Challenge to Evolution, book.written_work.subjects, Intelligent Design
The Politics of Evolution: Morphology, Medicine, and Reform in Radical London, book.written_work.subjects, Charles Darwin
Charles Darwin: The Concise Story of an Extraordinary Man, book.written_work.subjects, Charles Darwin
The Correspondence of Charles Darwin, Volume 8: 1860, common.topic.notable_types, Book
Charles Darwin, book.book_subject.works, The Darwin conspiracy
The Correspondence of Charles Darwin, Volume 12: 1864, book.written_work.original_language, English Language
The Correspondence of Charles Darwin, Volume 3: 1844-1846, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 4: 1847-1850
Janet Browne, book.author.works_edited, The Correspondence of Charles Darwin, Volume 9: 1861
The Correspondence of Charles Darwin, Volume 10: 1862, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 11: 1863
Darwin and the Darwinian revolution, book.written_work.subjects, Evolution
Janet Browne, book.author.works_written, Charles Darwin: Voyaging
The Autobiography of Charles Darwin, book.written_work.subjects, Evolution
The Correspondence of Charles Darwin, Volume 1: 1821-1836, book.written_work.subjects, Science
The Correspondence of Charles Darwin, Volume 15: 1867, book.written_work.author, Charles Darwin
The Reluctant Mr. Darwin, book.written_work.subjects, England
Charles Darwin, book.book_subject.works, Charles Darwin: The Power of Place
The Correspondence of Charles Darwin, Volume 7: 1858-1859, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 8: 1860
The Correspondence of Charles Darwin, Volume 18: 1870, book.written_work.author, Charles Darwin
Charles Darwin, book.book_subject.works, Charles Darwin: Voyaging
Darwin, book.written_work.subjects, Evolution
The Correspondence of Charles Darwin, Volume 12: 1864, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 13: 1865
Darwin and His Great Discovery, book.written_work.author, L. Sprague de Camp
The Correspondence of Charles Darwin, Volume 15: 1867, book.book.genre, Biography
The Correspondence of Charles Darwin, Volume 11: 1863, common.topic.notable_types, Book
In 1856, Darwin began to write his great work on evolution and natural selection., base.kwebbase.kwsentence.dates, m.0c11jsp
The Correspondence of Charles Darwin, Volume 14: 1866, book.written_work.author, Charles Darwin
The Correspondence of Charles Darwin, Volume 4: 1847-1850, book.written_work.original_language, English Language
Charles Darwin, base.kwebbase.kwtopic.has_sentences, In 1856, Darwin began to write his great work on evolution and natural selection.
The Correspondence of Charles Darwin, Volume 5: 1851-1855, common.topic.notable_types, Book
Charles Darwin, book.written_work.subjects, Charles Darwin
Charles Darwin, book.book_subject.works, The Survival of Charles Darwin: A Biography of a Man and an Idea
Darwin's untimely burial, book.written_work.subjects, Natural selection
The Correspondence of Charles Darwin, Volume 9: 1861, book.written_work.editor, Janet Browne
Charles Darwin, book.book_subject.works, The Reluctant Mr. Darwin
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 10: 1862
Darwin and His Great Discovery, book.written_work.subjects, Science
Darwin's Black Box: The Biochemical Challenge to Evolution, book.written_work.author, Michael Behe
Charles Darwin: A Scientific Biography, book.book.editions, Charles Darwin; evolution by natural selection
Charles Darwin, book.book_subject.works, Darwin
Darwin and the Darwinian revolution, book.written_work.subjects, Biology
The Correspondence of Charles Darwin, Volume 13: 1865, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 14: 1866
Charles Darwin: The Concise Story of an Extraordinary Man, book.written_work.author, Tim Berra
The Tree of Life: Charles Darwin, book.book.editions, The Tree of Life: Charles Darwin
The Correspondence of Charles Darwin, Volume 17: 1869, book.written_work.author, Charles Darwin
Charles Darwin, book.written_work.subjects, Science
The Correspondence of Charles Darwin, book.literary_series.author_s, Charles Darwin
The Correspondence of Charles Darwin, Volume 5: 1851-1855, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 4: 1847-1850
The Correspondence of Charles Darwin, Volume 1: 1821-1836, book.written_work.subjects, England
The Correspondence of Charles Darwin, Volume 5: 1851-1855, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 6: 1856-1857
The Autobiography of Charles Darwin, book.book.genre, Biography
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 3: 1844-1846
Charles Darwin, book.book_subject.works, Darwin's Black Box: The Biochemical Challenge to Evolution
Tim Berra, book.author.works_written, Charles Darwin: The Concise Story of an Extraordinary Man
The Correspondence of Charles Darwin, Volume 8: 1860, book.written_work.original_language, English Language
Darwin's Black Box: The Biochemical Challenge to Evolution, book.written_work.next_in_series, The Edge of Evolution
The Correspondence of Charles Darwin, Volume 18: 1870, book.written_work.original_language, English Language
The Correspondence of Charles Darwin, Volume 3: 1844-1846, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 2: 1837-1843
The Correspondence of Charles Darwin, Volume 9: 1861, book.written_work.original_language, English Language
The Autobiography of Charles Darwin, book.written_work.author, Francis Darwin
Charles Darwin, book.book_subject.works, Charles Darwin
Charles Darwin, book.author.series_written_or_contributed_to, The Correspondence of Charles Darwin
The Correspondence of Charles Darwin, Volume 13: 1865, common.topic.notable_types, Book
The Correspondence of Charles Darwin, Volume 16: 1868, book.written_work.author, Charles Darwin
The Correspondence of Charles Darwin, Volume 16: 1868, book.written_work.original_language, English Language
The Correspondence of Charles Darwin, Volume 17: 1869, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 18: 1870
The Correspondence of Charles Darwin, Volume 2: 1837-1843, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 3: 1844-1846
Darwin, book.written_work.subjects, Charles Darwin
Darwin's big book, book.written_work.subjects, Charles Darwin
The Correspondence of Charles Darwin, Volume 18: 1870, book.written_work.part_of_series, The Correspondence of Charles Darwin
Charles Darwin: The Power of Place, book.book.editions, Charles Darwin: The Power of Place
The Reluctant Mr. Darwin, book.written_work.subjects, Evolution
The Autobiography of Charles Darwin, book.written_work.subjects, Natural history
The Correspondence of Charles Darwin, Volume 14: 1866, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 13: 1865
The Autobiography of Charles Darwin, common.topic.notable_types, Book
John Bowlby, book.author.works_written, Charles Darwin : Une nouvelle biographie
Darwin, book.written_work.subjects, Biology
The Correspondence of Charles Darwin, Volume 1: 1821-1836, book.written_work.subjects, Natural history
Claire Burch, book.author.works_written, Charles Darwin in Cyberspace
Charles Darwin in Cyberspace, book.book.genre, Fantasy
Who Was Charles Darwin?, book.written_work.subjects, Charles Darwin
The Correspondence of Charles Darwin, Volume 10: 1862, book.written_work.author, Charles Darwin
Darwin's big book, book.written_work.author, Stephen Jay Gould
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 6: 1856-1857
The Correspondence of Charles Darwin, Volume 9: 1861, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 8: 1860
The Correspondence of Charles Darwin, Volume 10: 1862, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 9: 1861
Charles Darwin, book.book_subject.works, George Canning's left buttock and the origin of species
The Correspondence of Charles Darwin, Volume 3: 1844-1846, common.topic.notable_types, Book
The Reluctant Mr. Darwin, book.written_work.subjects, Biology
The Correspondence of Charles Darwin, Volume 16: 1868, book.written_work.part_of_series, The Correspondence of Charles Darwin
The Correspondence of Charles Darwin, Volume 10: 1862, common.topic.notable_types, Book
Charles Darwin, book.book_subject.works, The Tree of Life: Charles Darwin
The Correspondence of Charles Darwin, Volume 4: 1847-1850, book.written_work.author, Charles Darwin
Charles Darwin: Voyaging, book.book.editions, Charles Darwin : a biography
The Correspondence of Charles Darwin, Volume 1: 1821-1836, book.written_work.subjects, History
The Correspondence of Charles Darwin, Volume 10: 1862, book.written_work.part_of_series, The Correspondence of Charles Darwin
Charles Darwin, book.book_subject.works, Charles Darwin: The Concise Story of an Extraordinary Man
The Correspondence of Charles Darwin, Volume 9: 1861, book.written_work.author, Charles Darwin
Darwin, book.written_work.author, Philip Appleman
The Correspondence of Charles Darwin, Volume 10: 1862, book.written_work.original_language, English Language
Charles Darwin, book.book_subject.works, Charles Darwin: A Scientific Biography
Darwin and the Darwinian revolution, book.written_work.subjects, Science
Charles Darwin, book.book_subject.works, The Politics of Evolution: Morphology, Medicine, and Reform in Radical London
The Correspondence of Charles Darwin, Volume 11: 1863, book.written_work.author, Charles Darwin
Ronald W. Clark, book.author.works_written, The Survival of Charles Darwin: A Biography of a Man and an Idea
The Correspondence of Charles Darwin, Volume 11: 1863, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 12: 1864
The Correspondence of Charles Darwin, Volume 6: 1856-1857, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 7: 1858-1859
Charles Darwin, book.book_subject.works, Charles Darwin in Cyberspace
The Correspondence of Charles Darwin, Volume 4: 1847-1850, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 3: 1844-1846
The Tree of Life: Charles Darwin, book.written_work.author, Peter Sís
The Correspondence of Charles Darwin, Volume 17: 1869, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 16: 1868
The Correspondence of Charles Darwin, Volume 15: 1867, book.written_work.part_of_series, The Correspondence of Charles Darwin
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 5: 1851-1855
The Correspondence of Charles Darwin, Volume 1: 1821-1836, book.written_work.subjects, Evolution
Darwin and His Great Discovery, book.written_work.subjects, Biography
The Correspondence of Charles Darwin, Volume 16: 1868, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 15: 1867
Charles Darwin: Voyaging, book.written_work.subjects, Charles Darwin
Charles Darwin, book.written_work.subjects, Technology
Darwin Loves You: Natural Selection and the Re-Enchantment of the World, book.written_work.author, George Lewis Levine
Darwin's Black Box: The Biochemical Challenge to Evolution, book.written_work.original_language, English Language
The Correspondence of Charles Darwin, Volume 9: 1861, common.topic.notable_types, Book
Charles Darwin in Cyberspace, book.written_work.subjects, Charles Darwin
The Correspondence of Charles Darwin, Volume 11: 1863, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 10: 1862
The Correspondence of Charles Darwin, Volume 5: 1851-1855, book.written_work.part_of_series, The Correspondence of Charles Darwin
The Autobiography of Charles Darwin, book.book.genre, Science
George Canning's left buttock and the origin of species, book.written_work.subjects, Charles Darwin
Charles Darwin: A Scientific Biography, book.written_work.author, Gavin de Beer
The Correspondence of Charles Darwin, Volume 13: 1865, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 12: 1864
The Correspondence of Charles Darwin, Volume 12: 1864, common.topic.notable_types, Book
Who Was Charles Darwin?, book.written_work.author, Deborah Hopkinson
Charles Darwin, book.book_subject.works, Darwin and the Darwinian revolution
The Correspondence of Charles Darwin, Volume 8: 1860, book.written_work.part_of_series, The Correspondence of Charles Darwin
The Correspondence of Charles Darwin, Volume 3: 1844-1846, book.written_work.author, Charles Darwin
The Autobiography of Charles Darwin, book.written_work.subjects, Science
Charles Darwin: Voyaging, book.book.genre, Biography
The Correspondence of Charles Darwin, Volume 9: 1861, book.written_work.part_of_series, The Correspondence of Charles Darwin
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 4: 1847-1850
The Autobiography of Charles Darwin, book.written_work.subjects, England
Darwin and the Darwinian revolution, book.written_work.author, Gertrude Himmelfarb
Charles Darwin, book.book_subject.works, Darwin and His Great Discovery
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 17: 1869
The Correspondence of Charles Darwin, Volume 2: 1837-1843, book.written_work.original_language, English Language
Darwin and His Great Discovery, book.written_work.author, Catherine Crook de Camp
The Correspondence of Charles Darwin, Volume 3: 1844-1846, book.written_work.part_of_series, The Correspondence of Charles Darwin
The Correspondence of Charles Darwin, Volume 13: 1865, book.written_work.part_of_series, The Correspondence of Charles Darwin
Fertilisation of Orchids, book.written_work.author, Charles Darwin
The Correspondence of Charles Darwin, Volume 15: 1867, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 14: 1866
The Correspondence of Charles Darwin, Volume 18: 1870, common.topic.notable_types, Book
The Correspondence of Charles Darwin, Volume 17: 1869, common.topic.notable_types, Book
Charles Darwin, book.book_subject.works, Darwin's big book
Charles Darwin: The Concise Story of an Extraordinary Man, common.topic.notable_types, Book
Charles Darwin, book.book_subject.works, Celebrating Evolution the Web Way
Janet Browne, book.author.works_edited, The Correspondence of Charles Darwin, Volume 8: 1860
The Correspondence of Charles Darwin, Volume 7: 1858-1859, common.topic.notable_types, Book
Charles Darwin: Voyaging, book.book.editions, Charles Darwin: Voyaging
The Correspondence of Charles Darwin, Volume 3: 1844-1846, book.written_work.original_language, English Language
Charles Darwin: The Concise Story of an Extraordinary Man, book.book.editions, Charles Darwin : the concise story of an extraordinary man
The Correspondence of Charles Darwin, Volume 14: 1866, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 15: 1867
The Correspondence of Charles Darwin, Volume 1: 1821-1836, book.written_work.author, Charles Darwin
The Autobiography of Charles Darwin, book.written_work.author, Charles Darwin
Darwin and His Great Discovery, book.written_work.subjects, History
The Correspondence of Charles Darwin, Volume 5: 1851-1855, book.written_work.original_language, English Language
The Correspondence of Charles Darwin, Volume 8: 1860, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 9: 1861
On the origin of species by means of natural selection, book.written_work.author, Charles Darwin
The Correspondence of Charles Darwin, Volume 1: 1821-1836, book.written_work.part_of_series, The Correspondence of Charles Darwin
Charles Darwin, book.book.editions, Charles Darwin
The Correspondence of Charles Darwin, Volume 12: 1864, book.written_work.author, Charles Darwin
The Correspondence of Charles Darwin, Volume 12: 1864, book.written_work.part_of_series, The Correspondence of Charles Darwin
The Correspondence of Charles Darwin, Volume 1: 1821-1836, common.topic.notable_types, Book
The Correspondence of Charles Darwin, Volume 6: 1856-1857, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 5: 1851-1855
The Survival of Charles Darwin: A Biography of a Man and an Idea, book.written_work.author, Ronald W. Clark
The Reluctant Mr. Darwin, book.written_work.subjects, Technology
The Reluctant Mr. Darwin, book.written_work.subjects, Science
The Correspondence of Charles Darwin, Volume 16: 1868, common.topic.notable_types, Book
Charles Darwin, book.book_subject.works, Darwin's Sacred Cause: How a Hatred of Slavery Shaped Darwin's Views on Human Evolution
The Correspondence of Charles Darwin, Volume 2: 1837-1843, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 1: 1821-1836
The Correspondence of Charles Darwin, Volume 11: 1863, book.written_work.original_language, English Language
Charles Darwin, book.book.genre, Autobiography
Charles Darwin: Voyaging, book.written_work.author, Janet Browne
The Correspondence of Charles Darwin, Volume 11: 1863, book.written_work.part_of_series, The Correspondence of Charles Darwin
The Correspondence of Charles Darwin, Volume 6: 1856-1857, book.written_work.part_of_series, The Correspondence of Charles Darwin
The Correspondence of Charles Darwin, Volume 16: 1868, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 17: 1869
Charles Darwin, book.written_work.subjects, Great Britain
Darwin and the Darwinian revolution, book.written_work.subjects, Charles Darwin
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 11: 1863
The Correspondence of Charles Darwin, Volume 8: 1860, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 7: 1858-1859
Charles Darwin, book.written_work.subjects, England
The Correspondence of Charles Darwin, Volume 14: 1866, book.written_work.part_of_series, The Correspondence of Charles Darwin
The Correspondence of Charles Darwin, Volume 5: 1851-1855, book.written_work.author, Charles Darwin
Charles Darwin: Voyaging, book.written_work.next_in_series, Charles Darwin: The Power of Place
The Correspondence of Charles Darwin, Volume 8: 1860, book.written_work.author, Charles Darwin
The Correspondence of Charles Darwin, Volume 4: 1847-1850, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 5: 1851-1855
The Correspondence of Charles Darwin, Volume 15: 1867, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 16: 1868
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 12: 1864
Charles Darwin: The Power of Place, book.book.genre, Biography

Answer: On evolution
The Voyage of the Beagle
Théorie de l'évolution
To the members of the Down Friendly Club
The Correspondence of Charles Darwin, Volume 3: 1844-1846
Proiskhozhdenie vidov
Geology from A Manual of scientific enquiry; prepared for the use of Her Majesty's Navy: and adapted for travellers in general
Darwin and Henslow
Resa kring jorden
Darwinism stated by Darwin himself
The zoology of the voyage of H.M.S. Beagle during the years 1832-1836
Darwin
The Darwin Reader First Edition
Diary of the voyage of H.M.S. Beagle
A Monograph on the Fossil Balanidæ and Verrucidæ of Great Britain
Journal of researches into the natural history and geology of the countries visited during the voyage round the world of the H. M. S. 'Beagle' under the command of Captain Fitz Roy, R. N
Charles Darwin's letters
The Structure and Distribution of Coral Reefs
Motsa ha-minim
Gesammelte kleinere Schriften
The Correspondence of Charles Darwin, Volume 15: 1867
The Formation of Vegetable Mould through the Action of Worms
Het uitdrukken van emoties bij mens en dier
Evolution and natural selection
The Correspondence of Charles Darwin, Volume 12: 1864
On the tendency of species to form varieties
Darwin's journal
The Descent of Man, and Selection in Relation to Sex
Die verschiedenen Blütenformen an Pflanzen der nämlichen Art
Darwin-Wallace
Part I: Contributions to the Theory of Natural Selection / Part II
Charles Darwin
Darwin for Today
The Correspondence of Charles Darwin, Volume 16: 1868
A student's introduction to Charles Darwin
Geological Observations on the Volcanic Islands
From so simple a beginning
Les mouvements et les habitudes des plantes grimpantes
Charles Darwin's marginalia
The Correspondence of Charles Darwin, Volume 8: 1860
The Correspondence of Charles Darwin, Volume 2: 1837-1843
A Darwin Selection
red notebook of Charles Darwin
The voyage of Charles Darwin
Tesakneri tsagumě
Cartas de Darwin 18251859
Un mémoire inédit de Charles Darwin sur l'instinct
Works
The Correspondence of Charles Darwin, Volume 9: 1861
The Correspondence of Charles Darwin, Volume 4: 1847-1850
Les moyens d'expression chez les animaux
Les récifs de corail, leur structure et leur distribution
A Monograph of the Sub-class Cirripedia, with Figures of all the Species. The Balanidae (or Sessile Cirripedes); the Verrucidae, etc.
La faculté motrice dans les plantes
The Correspondence of Charles Darwin, Volume 5: 1851-1855
Notebooks on transmutation of species
The Autobiography of Charles Darwin
Opshṭamung fun menshen
Fertilisation of Orchids
Darwin's insects
Charles Darwin on the routes of male humble bees
Reise eines Naturforschers um die Welt
Seul celui qui change reste fidèle à lui-même
A Monograph of the Sub-class Cirripedia, with Figures of all the Species. The Lepadidae; or, Pedunculated Cirripedes.
Human nature, Darwin's view
Das Variiren der Thiere und Pflanzen im Zustande der Domestication
Evolutionary Writings: Including the Autobiographies
The Life of Erasmus Darwin
geneseōs tōn eidōn
The Correspondence of Charles Darwin, Volume 11: 1863
Evolution by natural selection
The collected papers of Charles Darwin
Insectivorous Plants
The Effects of Cross and Self Fertilisation in the Vegetable Kingdom
Memorias y epistolario íntimo
The Life and Letters of Charles Darwin Volume 2
El Origin De Las Especies
A Monograph on the Fossil Lepadidae, or, Pedunculated Cirripedes of Great Britain
Die fundamente zur entstehung der arten
On the Movements and Habits of Climbing Plants
Darwin from Insectivorous Plants to Worms
The portable Darwin
variëeren der huisdieren en cultuurplanten
Darwin Compendium
The Correspondence of Charles Darwin, Volume 10: 1862
The foundations of the Origin of species
The education of Darwin
ontstaan der soorten door natuurlijke teeltkeus
The Expression of the Emotions in Man and Animals
Metaphysics, Materialism, & the evolution of mind
Der Ausdruck der Gemüthsbewegungen bei dem Menschen und den Thieren
The Correspondence of Charles Darwin, Volume 13: 1865
monograph on the sub-class Cirripedia
La vie et la correspondance de Charles Darwin
The Darwin Reader Second Edition
The geology of the voyage of H.M.S. Beagle
From Darwin's unpublished notebooks
Darwin on humus and the earthworm
The Correspondence of Charles Darwin, Volume 17: 1869
The Correspondence of Charles Darwin, Volume 14: 1866
Reise um die Welt 1831 - 36
Viaje de Un Naturalista Alrededor del Mundo 2 Vol
Diario del Viaje de Un Naturalista Alrededor
The living thoughts of Darwin
The principal works
Über den Bau und die Verbreitung der Corallen-Riffe
The Correspondence of Charles Darwin, Volume 18: 1870
Notes on the fertilization of orchids
Evolution
Monographs of the fossil Lepadidae and the fossil Balanidae
South American Geology
On a remarkable bar of sandstone off Pernambuco
Charles Darwin's natural selection
La descendance de l'homme et la s©Øelection sexuelle
Darwin en Patagonia
Del Plata a Tierra del Fuego
Geological observations on the volcanic islands and parts of South America visited during the voyage of H.M.S. 'Beagle
The Life and Letters of Charles Darwin Volume 1
The Power of Movement in Plants
Origins
Kleinere geologische Abhandlungen
Letters from C. Darwin, Esq., to A. Hancock, Esq
The Orgin of Species
Die Entstehung der Arten durch natürliche Zuchtwahl
The action of carbonate of ammonia on the roots of certain plants
More Letters of Charles Darwin
Beagle letters
The Correspondence of Charles Darwin, Volume 1: 1821-1836
Darwin's notebooks on transmutation of species
Rejse om jorden
The Different Forms of Flowers on Plants of the Same Species
H.M.S. Beagle in South America
Vospominanii︠a︡ o razvitii moego uma i kharaktera
Questions about the breeding of animals
The Correspondence of Charles Darwin, Volume 7: 1858-1859
The Essential Darwin
Leben und Briefe von Charles Darwin
Die Bewegungen und Lebensweise der kletternden Pflanzen
Voyage d'un naturaliste autour du monde
Über die Wege der Hummel-Männchen
Darwin Darwin
The Variation of Animals and Plants under Domestication
Die geschlechtliche Zuchtwahl
Darwin's Ornithological notes
Wu zhong qi yuan
On Natural Selection
Charles Darwin's zoology notes & specimen lists from H.M.S. Beagle
On the origin of species by means of natural selection
Geological Observations on South America
Die Wirkungen der Kreuz- und Selbst-Befruchtung im Pflanzenreich
The Correspondence of Charles Darwin, Volume 6: 1856-1857
Volcanic Islands
Charles Darwin, 1809-1882--Anton Dohrn, 1840-1909