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 book did charles darwin write on evolution? 
Knowledge Triplets: Charles Darwin, book.written_work.author, Grant Allen
The Correspondence of Charles Darwin, Volume 18: 1870, book.written_work.part_of_series, The Correspondence of Charles Darwin
Janet Browne, book.author.works_edited, The Correspondence of Charles Darwin, Volume 8: 1860
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 8: 1860
The Correspondence of Charles Darwin, Volume 16: 1868, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 17: 1869
The Reluctant Mr. Darwin, book.written_work.subjects, Charles Darwin
The Correspondence of Charles Darwin, Volume 4: 1847-1850, common.topic.notable_types, Book
The Correspondence of Charles Darwin, Volume 13: 1865, 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
Charles Darwin, book.book_subject.works, Celebrating Evolution the Web Way
The Correspondence of Charles Darwin, Volume 11: 1863, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 12: 1864
Darwin's big book, book.written_work.subjects, Charles Darwin
The Correspondence of Charles Darwin, book.literary_series.author_s, Charles Darwin
The Correspondence of Charles Darwin, Volume 4: 1847-1850, book.written_work.author, Charles Darwin
Charles Darwin, book.book_subject.works, The Politics of Evolution: Morphology, Medicine, and Reform in Radical London
The Correspondence of Charles Darwin, Volume 13: 1865, book.written_work.author, Charles Darwin
Charles Darwin, book.written_work.author, On the origin of species by means of natural selection
Fertilisation of Orchids, book.written_work.author, Charles Darwin
The Correspondence of Charles Darwin, Volume 14: 1866, book.written_work.original_language, English Language
Natural selection, book.book_subject.works, Darwin Loves You: Natural Selection and the Re-Enchantment of the World
Charles Darwin, book.written_work.subjects, England
Charles Darwin: Voyaging, book.book.editions, Charles Darwin : a biography
Charles Darwin: A Scientific Biography, book.written_work.author, Gavin de Beer
The Correspondence of Charles Darwin, Volume 8: 1860, book.written_work.author, Charles Darwin
Francis Darwin, book.author.works_written, The Autobiography of Charles Darwin
Charles Darwin: Voyaging, book.book.editions, Charles Darwin: Voyaging
The Correspondence of Charles Darwin, Volume 5: 1851-1855, book.written_work.author, Charles Darwin
Charles Darwin: Voyaging, book.written_work.subjects, Charles Darwin
The Correspondence of Charles Darwin, Volume 15: 1867, book.book.genre, Science
The Correspondence of Charles Darwin, Volume 8: 1860, book.written_work.editor, Janet Browne
Darwin's Sacred Cause: How a Hatred of Slavery Shaped Darwin's Views on Human Evolution, book.book.editions, Darwin's sacred cause : how a hatred of slavery shaped Darwin's views on human evolution
The Autobiography of Charles Darwin, book.written_work.subjects, Biology
The Correspondence of Charles Darwin, Volume 12: 1864, book.written_work.original_language, English Language
The Tree of Life: Charles Darwin, book.book.editions, The Tree of Life: Charles Darwin
Darwin's Black Box: The Biochemical Challenge to Evolution, book.written_work.author, Michael Behe
Charles Darwin: Voyaging, book.book.genre, Biography
Charles Darwin, book.book.genre, Autobiography
The Correspondence of Charles Darwin, Volume 14: 1866, book.written_work.part_of_series, The Correspondence of Charles Darwin
Darwin's Black Box: The Biochemical Challenge to Evolution, book.written_work.subjects, Intelligent Design
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 5: 1851-1855
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 1: 1821-1836
Charles Darwin: The Power of Place, book.book.genre, Biography
Charles Darwin, book.book_subject.works, Charles Darwin: Voyaging
Darwin's big book, book.written_work.author, Stephen Jay Gould
The Correspondence of Charles Darwin, Volume 13: 1865, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 14: 1866
Charles Darwin, book.author.series_written_or_contributed_to, The Correspondence of Charles Darwin
The Correspondence of Charles Darwin, Volume 2: 1837-1843, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 1: 1821-1836
Charles Darwin, book.book_subject.works, Charles Darwin: The Concise Story of an Extraordinary Man
The Correspondence of Charles Darwin, Volume 16: 1868, book.written_work.author, Charles Darwin
Charles Darwin, book.book_subject.works, Charles Darwin: The Power of Place
The Tree of Life: Charles Darwin, book.book.genre, Non-fiction
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 9: 1861, book.written_work.part_of_series, The Correspondence of Charles Darwin
The Correspondence of Charles Darwin, Volume 6: 1856-1857, common.topic.notable_types, Book
Charles Darwin, book.book_subject.works, The Darwin conspiracy
Charles Darwin: A Scientific Biography, book.written_work.subjects, Charles Darwin
Darwin and the Darwinian revolution, book.written_work.subjects, Science
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 12: 1864, book.written_work.author, Charles Darwin
Charles Darwin, book.book.editions, Charles Darwin
The Correspondence of Charles Darwin, Volume 2: 1837-1843, common.topic.notable_types, Book
Darwin's big book, book.written_work.subjects, Evolution
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, book.written_work.original_language, English Language
The Correspondence of Charles Darwin, Volume 14: 1866, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 13: 1865
Charles Darwin, book.written_work.subjects, Charles Darwin
Charles Darwin, book.book_subject.works, The Reluctant Mr. 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, Volume 16: 1868, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 15: 1867
Charles Robert Darwin. At the age of 51, Charles Darwin had just published On the Origin of Species., common.image.appears_in_topic_gallery, Charles Darwin
The Correspondence of Charles Darwin, Volume 12: 1864, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 11: 1863
The Autobiography of Charles Darwin, book.book.genre, Autobiography
Charles Darwin, book.book_subject.works, Darwin and the Darwinian revolution
The Correspondence of Charles Darwin, Volume 4: 1847-1850, book.written_work.original_language, English Language
Charles Darwin, book.book_subject.works, Darwin's untimely burial
The Correspondence of Charles Darwin, Volume 9: 1861, book.written_work.editor, Janet Browne
Darwin Loves You: Natural Selection and the Re-Enchantment of the World, book.written_work.subjects, Charles Darwin
The Correspondence of Charles Darwin, Volume 18: 1870, 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, book.written_work.subjects, Biology
The Correspondence of Charles Darwin, Volume 15: 1867, book.book.genre, Biography
Tim Berra, book.author.works_written, Charles Darwin: The Concise Story of an Extraordinary Man
The Autobiography of Charles Darwin, book.written_work.subjects, Natural history
The Correspondence of Charles Darwin, Volume 7: 1858-1859, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 6: 1856-1857
Darwin's Sacred Cause: How a Hatred of Slavery Shaped Darwin's Views on Human Evolution, book.written_work.author, James Moore
Janet Browne, book.author.works_written, Charles Darwin: Voyaging
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 13: 1865
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 18: 1870, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 17: 1869
The Correspondence of Charles Darwin, Volume 10: 1862, book.written_work.author, Charles Darwin
Francis Darwin, book.author.works_written, The Life and Letters of Charles Darwin
The Correspondence of Charles Darwin, Volume 10: 1862, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 11: 1863
The Autobiography of Charles Darwin, book.written_work.original_language, English Language
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, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 3: 1844-1846
The Correspondence of Charles Darwin, Volume 17: 1869, book.written_work.original_language, English Language
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, Volume 6: 1856-1857, book.written_work.original_language, English Language
The Correspondence of Charles Darwin, Volume 5: 1851-1855, common.topic.notable_types, Book
Darwin, book.written_work.subjects, Charles Darwin
Charles Darwin: The Power of Place, book.written_work.subjects, Charles Darwin
Charles Darwin, book.book_subject.works, Charles Darwin: A Scientific Biography
The Correspondence of Charles Darwin, Volume 11: 1863, book.written_work.part_of_series, The Correspondence of Charles Darwin
Darwin's Black Box: The Biochemical Challenge to Evolution, book.book.genre, Non-fiction
The Autobiography of Charles Darwin, book.written_work.subjects, England
Charles Darwin, book.written_work.subjects, Science
Darwin, book.written_work.subjects, Evolution
Charles Darwin, book.book_subject.works, Darwin's Black Box: The Biochemical Challenge to Evolution
The Correspondence of Charles Darwin, Volume 13: 1865, common.topic.notable_types, Book
Charles Darwin, book.book_subject.works, Darwin and His Great Discovery
The Correspondence of Charles Darwin, Volume 9: 1861, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 8: 1860
Charles Darwin, book.book_subject.works, Darwin's big book
The Correspondence of Charles Darwin, Volume 15: 1867, book.written_work.part_of_series, The Correspondence of Charles Darwin
Darwin's untimely burial, book.written_work.subjects, Charles Darwin
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 Correspondence of Charles Darwin, Volume 6: 1856-1857, book.written_work.author, Charles Darwin
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 11: 1863
Darwin and the Darwinian revolution, book.written_work.subjects, Evolution
The Correspondence of Charles Darwin, Volume 17: 1869, common.topic.notable_types, Book
The Correspondence of Charles Darwin, Volume 3: 1844-1846, book.written_work.author, Charles Darwin
The Correspondence of Charles Darwin, Volume 8: 1860, common.topic.notable_types, Book
The Correspondence of Charles Darwin, Volume 1: 1821-1836, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 2: 1837-1843
The Correspondence of Charles Darwin, Volume 9: 1861, book.written_work.author, Charles Darwin
Charles Darwin, book.book.genre, Biography
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 15: 1867
The Tree of Life: Charles Darwin, book.book.genre, Children's literature
Darwin's finches, book.book_subject.works, The Beak of the Finch: A Story of Evolution in Our Time
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, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 6: 1856-1857
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 Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 4: 1847-1850
Charles Darwin: The Concise Story of an Extraordinary Man, book.written_work.author, Tim Berra
The Correspondence of Charles Darwin, Volume 15: 1867, book.written_work.author, Charles Darwin
The Correspondence of Charles Darwin, Volume 3: 1844-1846, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 4: 1847-1850
Darwin on Trial, book.written_work.subjects, Evolution
The Correspondence of Charles Darwin, Volume 7: 1858-1859, book.written_work.author, Charles Darwin
Darwin and the Darwinian revolution, book.written_work.author, Gertrude Himmelfarb
Darwin's Black Box: The Biochemical Challenge to Evolution, book.book.editions, Darwin's Black Box: The Biochemical Challenge to Evolution
Darwin and the Darwinian revolution, book.written_work.subjects, Charles Darwin
Charles Darwin, book.book_subject.works, The Tree of Life: Charles Darwin
Charles Darwin, book.book_subject.works, Darwin's Sacred Cause: How a Hatred of Slavery Shaped Darwin's Views on Human Evolution
Darwin and His Great Discovery, book.written_work.subjects, Evolution
Darwin's Black Box: The Biochemical Challenge to Evolution, common.topic.notable_types, Book
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 12: 1864
Charles Darwin, book.written_work.subjects, Great Britain
Celebrating Evolution the Web Way, book.written_work.subjects, Charles Darwin
The Power of Movement in Plants, book.written_work.author, Charles Darwin
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 17: 1869, book.written_work.author, Charles Darwin
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 18: 1870, book.written_work.original_language, English Language
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.written_work.author, The Correspondence of Charles Darwin, Volume 1: 1821-1836
The Correspondence of Charles Darwin, Volume 6: 1856-1857, book.written_work.part_of_series, The Correspondence of Charles Darwin
On the origin of species by means of natural selection, book.written_work.author, Charles Darwin
The Correspondence of Charles Darwin, Volume 15: 1867, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 16: 1868
The Politics of Evolution: Morphology, Medicine, and Reform in Radical London, book.written_work.subjects, 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 10: 1862, book.written_work.part_of_series, The Correspondence of Charles Darwin
The Correspondence of Charles Darwin, Volume 12: 1864, common.topic.notable_types, Book
Darwin and His Great Discovery, book.written_work.subjects, Charles Darwin
The Correspondence of Charles Darwin, Volume 2: 1837-1843, book.written_work.part_of_series, The Correspondence of Charles Darwin
The Autobiography of Charles Darwin, book.written_work.author, Charles Darwin
The Correspondence of Charles Darwin, Volume 11: 1863, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 10: 1862
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 1: 1821-1836, book.written_work.original_language, English Language
The Correspondence of Charles Darwin, Volume 1: 1821-1836, book.written_work.subjects, Science
The Correspondence of Charles Darwin, Volume 7: 1858-1859, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 8: 1860
Charles Darwin, book.written_work.subjects, Natural history
The Correspondence of Charles Darwin, Volume 9: 1861, book.written_work.original_language, English Language
In 1856, Darwin began to write his great work on evolution and natural selection., base.kwebbase.kwsentence.dates, m.0c11jsp
Darwin and the Darwinian revolution, book.book.editions, Darwin and the Darwinian revolution
In 1856, Darwin began to write his great work on evolution and natural selection., base.kwebbase.kwsentence.kwtopic, Charles Darwin
Darwin's untimely burial, book.cited_work.cited_in, Individuals, Hierarchies and Processes: Towards a More Complete Evolutionary Theory
The Correspondence of Charles Darwin, Volume 17: 1869, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 16: 1868
Charles Darwin, book.written_work.subjects, Technology
Darwin and the Darwinian revolution, book.written_work.subjects, Natural history
The Correspondence of Charles Darwin, Volume 6: 1856-1857, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 7: 1858-1859
Grant Allen, book.author.works_written, Charles Darwin
The Autobiography of Charles Darwin, book.book.genre, Biography
The Correspondence of Charles Darwin, Volume 8: 1860, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 9: 1861
The Correspondence of Charles Darwin, Volume 2: 1837-1843, book.written_work.author, Charles Darwin
The Correspondence of Charles Darwin, Volume 8: 1860, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 7: 1858-1859
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, Volume 5: 1851-1855, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 4: 1847-1850
Charles Darwin, book.book_subject.works, Darwin
The Autobiography of Charles Darwin, book.written_work.subjects, Evolution
The Correspondence of Charles Darwin, Volume 10: 1862, book.written_work.original_language, English Language
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 5: 1851-1855, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 6: 1856-1857
The Correspondence of Charles Darwin, Volume 14: 1866, book.written_work.author, Charles Darwin
The Correspondence of Charles Darwin, Volume 11: 1863, book.written_work.original_language, English Language
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 15: 1867, common.topic.notable_types, Book
Charles Darwin: The Power of Place, book.written_work.previous_in_series, Charles Darwin: Voyaging
The Correspondence of Charles Darwin, Volume 1: 1821-1836, 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 10: 1862
The Correspondence of Charles Darwin, Volume 7: 1858-1859, book.written_work.original_language, English Language
The Correspondence of Charles Darwin, Volume 1: 1821-1836, book.written_work.subjects, England
Darwin's Black Box: The Biochemical Challenge to Evolution, book.book.editions, Darwin's black box : the biochemical challenge to evolution
The Correspondence of Charles Darwin, Volume 13: 1865, book.written_work.original_language, English Language
The Correspondence of Charles Darwin, Volume 10: 1862, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 9: 1861
The Correspondence of Charles Darwin, Volume 16: 1868, common.topic.notable_types, Book
Charles Darwin, book.book_subject.works, Charles Darwin in Cyberspace
Janet Browne, book.author.works_edited, The Correspondence of Charles Darwin, Volume 9: 1861
Charles Darwin: The Power of Place, book.written_work.author, Janet Browne
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 9: 1861
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 4: 1847-1850, book.written_work.part_of_series, The Correspondence of Charles Darwin
Charles Darwin, book.book_subject.works, The Survival of Charles Darwin: A Biography of a Man and an Idea
The Tree of Life: Charles Darwin, book.written_work.author, Peter Sís
The Survival of Charles Darwin: A Biography of a Man and an Idea, book.written_work.author, Ronald W. Clark
Darwin's Sacred Cause: How a Hatred of Slavery Shaped Darwin's Views on Human Evolution, book.written_work.subjects, Charles Darwin
Charles Darwin, book.book_subject.works, Darwin Loves You: Natural Selection and the Re-Enchantment of the World
The Autobiography of Charles Darwin, book.written_work.subjects, Great Britain
Darwin Loves You: Natural Selection and the Re-Enchantment of the World, book.book.editions, Darwin and the novelists : patterns of science in Victorian fiction
George Canning's left buttock and the origin of species, book.written_work.subjects, 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
Charles Darwin, book.written_work.subjects, Biology
Darwin Loves You: Natural Selection and the Re-Enchantment of the World, book.written_work.author, George Lewis Levine
Darwin Loves You: Natural Selection and the Re-Enchantment of the World, book.written_work.subjects, Natural selection
Charles Darwin: A Scientific Biography, book.book.editions, Charles Darwin; evolution by natural selection
Darwin's Black Box: The Biochemical Challenge to Evolution, book.written_work.original_language, English Language
John Bowlby, book.author.works_written, Charles Darwin : Une nouvelle biographie
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.written_work.subjects, Science
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 16: 1868
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 1: 1821-1836, book.written_work.subjects, Evolution
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 11: 1863, book.written_work.author, Charles Darwin
Darwin and the Darwinian revolution, book.written_work.subjects, Biology
Charles Darwin: The Power of Place, book.book.editions, Charles Darwin: The Power of Place
The Autobiography of Charles Darwin, book.written_work.author, Francis Darwin
The Correspondence of Charles Darwin, Volume 15: 1867, book.written_work.original_language, English Language
Darwin's untimely burial, book.cited_work.cited_in, Evolutionary Morphology: Beyond the Analogous, the Anecdotal, and the ad Hoc
The Correspondence of Charles Darwin, Volume 12: 1864, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 13: 1865
The Reluctant Mr. Darwin, book.written_work.subjects, Evolution
Charles Darwin in Cyberspace, book.written_work.author, Claire Burch
The Tree of Life: Charles Darwin, book.written_work.subjects, Charles Darwin
The Correspondence of Charles Darwin, Volume 7: 1858-1859, common.topic.notable_types, Book
The Correspondence of Charles Darwin, Volume 3: 1844-1846, common.topic.notable_types, Book
Charles Darwin, book.book_subject.works, Charles Darwin
Darwin on Trial, book.written_work.subjects, Charles Darwin
The Correspondence of Charles Darwin, Volume 1: 1821-1836, book.written_work.subjects, Natural history
Charles Darwin, book.book_subject.works, Darwin on Trial
The Correspondence of Charles Darwin, Volume 1: 1821-1836, book.written_work.subjects, History
Darwin's Sacred Cause: How a Hatred of Slavery Shaped Darwin's Views on Human Evolution, book.written_work.author, Adrian Desmond
The Correspondence of Charles Darwin, Volume 1: 1821-1836, book.written_work.author, Charles Darwin
The Autobiography of Charles Darwin, book.book.genre, Science
Darwin's untimely burial, book.written_work.author, Stephen Jay Gould
The Correspondence of Charles Darwin, Volume 2: 1837-1843, book.written_work.original_language, English Language
The Correspondence of Charles Darwin, Volume 3: 1844-1846, book.written_work.original_language, English Language
Janet Browne, book.author.works_written, Charles Darwin: The Power of Place
Darwin's untimely burial, book.written_work.subjects, Natural selection
Darwin's Black Box: The Biochemical Challenge to Evolution, book.written_work.subjects, Charles Darwin
Darwin's Black Box: The Biochemical Challenge to Evolution, book.written_work.subjects, Evolution
Charles Darwin, book.written_work.author, The Autobiography of Charles Darwin
The Correspondence of Charles Darwin, Volume 2: 1837-1843, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 3: 1844-1846
Charles Darwin: Voyaging, book.written_work.next_in_series, Charles Darwin: The Power of Place
Charles Darwin: Voyaging, book.written_work.author, Janet Browne
The Correspondence of Charles Darwin, Volume 8: 1860, book.written_work.original_language, English Language
The Survival of Charles Darwin: A Biography of a Man and an Idea, book.written_work.subjects, Charles Darwin
The Darwin conspiracy, book.written_work.subjects, Charles Darwin
The Correspondence of Charles Darwin, Volume 16: 1868, book.written_work.original_language, English Language
Charles Darwin, book.book_subject.works, George Canning's left buttock and the origin of species
The Correspondence of Charles Darwin, Volume 9: 1861, common.topic.notable_types, Book
The Autobiography of Charles Darwin, book.written_work.subjects, History

Answer: On evolution
The Descent of Man, and Selection in Relation to Sex
From so simple a beginning
The Voyage of the Beagle
The Correspondence of Charles Darwin, Volume 1: 1821-1836
On the origin of species by means of natural selection
Insectivorous Plants
On Natural Selection
The Autobiography of Charles Darwin
The Expression of the Emotions in Man and Animals