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, penned by Charles Darwin, is about natural history? 
Knowledge Triplets: The Correspondence of Charles Darwin, Volume 1: 1821-1836, common.topic.notable_types, Book
Charles Darwin: Voyaging, book.written_work.subjects, Charles Darwin
The Correspondence of Charles Darwin, Volume 14: 1866, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 13: 1865
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 3: 1844-1846, book.written_work.original_language, English Language
The Correspondence of Charles Darwin, Volume 1: 1821-1836, book.written_work.author, Charles Darwin
Charles Darwin, book.author.series_written_or_contributed_to, The Correspondence of Charles Darwin
Darwin's untimely burial, book.written_work.subjects, Natural selection
The Autobiography of Charles Darwin, book.written_work.subjects, England
The Correspondence of Charles Darwin, Volume 1: 1821-1836, book.written_work.subjects, Natural history
Charles Darwin, book.book_subject.works, Darwin on Trial
Charles Darwin: A Scientific Biography, book.written_work.author, Gavin de Beer
Charles Darwin, book.book_subject.works, The Tree of Life: Charles Darwin
Charles Darwin, book.written_work.author, The Correspondence of Charles Darwin, Volume 1: 1821-1836
The Correspondence of Charles Darwin, Volume 12: 1864, book.written_work.author, Charles Darwin
The Autobiography of Charles Darwin, book.book.genre, Autobiography
Book, common.topic.notable_types, The Correspondence of Charles Darwin, Volume 1: 1821-1836
Darwin's big book, book.written_work.subjects, Charles Darwin
Darwin, book.written_work.subjects, Charles Darwin
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 4: 1847-1850, book.written_work.part_of_series, The Correspondence of Charles Darwin
The Autobiography of Charles Darwin, book.written_work.author, Francis Darwin
Darwin Loves You: Natural Selection and the Re-Enchantment of the World, book.written_work.subjects, Natural selection
Darwin's untimely burial, book.written_work.author, Stephen Jay Gould
The Correspondence of Charles Darwin, Volume 6: 1856-1857, book.written_work.author, Charles Darwin
Charles Darwin, book.book_subject.works, The Survival of Charles Darwin: A Biography of a Man and an Idea
The Autobiography of Charles Darwin, book.written_work.subjects, Great Britain
The Correspondence of Charles Darwin, Volume 18: 1870, book.written_work.part_of_series, The Correspondence of 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 5: 1851-1855, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 4: 1847-1850
The Correspondence of Charles Darwin, Volume 11: 1863, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 12: 1864
Francis Darwin, book.author.works_written, The Autobiography of Charles Darwin
Charles Darwin, book.written_work.subjects, Biology
The Correspondence of Charles Darwin, Volume 13: 1865, book.written_work.original_language, English Language
The Correspondence of Charles Darwin, Volume 14: 1866, book.written_work.part_of_series, The Correspondence of Charles Darwin
The Tree of Life: Charles Darwin, book.book.editions, The Tree of Life: Charles Darwin
Charles Darwin, book.book_subject.works, Darwin Loves You: Natural Selection and the Re-Enchantment of the World
The Correspondence of Charles Darwin, Volume 2: 1837-1843, common.topic.notable_types, Book
The Correspondence of Charles Darwin, Volume 2: 1837-1843, book.written_work.author, Charles Darwin
The Correspondence of Charles Darwin, Volume 9: 1861, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 10: 1862
The Correspondence of Charles Darwin, Volume 15: 1867, book.written_work.part_of_series, The Correspondence of Charles Darwin
Charles Darwin, book.written_work.author, Grant Allen
The Correspondence of Charles Darwin, Volume 1: 1821-1836, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 2: 1837-1843
Charles Darwin, base.kwebbase.kwtopic.has_sentences, In 1856, Darwin began to write his great work on evolution and natural selection.
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
The Correspondence of Charles Darwin, Volume 8: 1860, book.written_work.editor, Janet Browne
The Correspondence of Charles Darwin, Volume 3: 1844-1846, common.topic.notable_types, Book
Darwin, book.written_work.subjects, Evolution
Darwin's Black Box: The Biochemical Challenge to Evolution, 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.book_subject.works, Darwin's big book
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 9: 1861, 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
Charles Darwin, book.book_edition.book, Charles Darwin
Charles Darwin, book.written_work.subjects, Great Britain
The Correspondence of Charles Darwin, Volume 5: 1851-1855, book.written_work.author, Charles Darwin
Charles Darwin: The Power of Place, book.written_work.previous_in_series, Charles Darwin: Voyaging
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 7: 1858-1859, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 6: 1856-1857
Darwin's Black Box: The Biochemical Challenge to Evolution, book.written_work.author, Michael Behe
The Correspondence of Charles Darwin, Volume 12: 1864, book.written_work.part_of_series, The Correspondence of Charles Darwin
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 1: 1821-1836, book.written_work.subjects, History of science
Celebrating Evolution the Web Way, book.written_work.subjects, Charles Darwin
Darwin's big book, book.written_work.subjects, Evolution
The Correspondence of Charles Darwin, Volume 9: 1861, book.written_work.editor, Janet Browne
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 13: 1865, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 12: 1864
Charles Darwin, book.written_work.subjects, England
The Correspondence of Charles Darwin, Volume 10: 1862, book.written_work.part_of_series, The Correspondence of Charles Darwin
Charles Darwin in Cyberspace, book.written_work.author, Claire Burch
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 1: 1821-1836, book.written_work.subjects, Science
Darwin and His Great Discovery, 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 17: 1869, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 16: 1868
The Correspondence of Charles Darwin, Volume 17: 1869, common.topic.notable_types, Book
Charles Darwin, book.book_subject.works, Darwin and the Darwinian revolution
The Correspondence of Charles Darwin, Volume 14: 1866, book.written_work.author, Charles Darwin
Darwin's untimely burial, book.written_work.subjects, Charles Darwin
Charles Darwin: The Power of Place, book.written_work.author, Janet Browne
The Correspondence of Charles Darwin, Volume 5: 1851-1855, common.topic.notable_types, Book
The Autobiography of Charles Darwin, book.written_work.subjects, Natural history
Darwin and the Darwinian revolution, book.written_work.subjects, Science
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, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 1: 1821-1836
The Correspondence of Charles Darwin, Volume 1: 1821-1836, book.written_work.original_language, English Language
Charles Darwin, book.book_subject.works, Charles Darwin: Voyaging
The Correspondence of Charles Darwin, Volume 5: 1851-1855, book.written_work.part_of_series, The Correspondence of Charles Darwin
Darwin, book.written_work.subjects, Natural history
The Politics of Evolution: Morphology, Medicine, and Reform in Radical London, book.written_work.subjects, Charles Darwin
The Correspondence of Charles Darwin, Volume 2: 1837-1843, book.written_work.original_language, English Language
The Correspondence of Charles Darwin, Volume 15: 1867, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 16: 1868
Charles Darwin: The Concise Story of an Extraordinary Man, book.written_work.author, Tim Berra
The Correspondence of Charles Darwin, Volume 10: 1862, book.written_work.original_language, English Language
Charles Darwin, book.written_work.author, The Autobiography of 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_subject.works, Darwin's untimely burial
Charles Darwin, book.book_subject.works, The Darwin conspiracy
Natural selection, book.book_subject.works, Darwin's untimely burial
Charles Darwin, book.book_subject.works, The Politics of Evolution: Morphology, Medicine, and Reform in Radical London
Book, common.topic.notable_types, On the origin of species by means of natural selection
The Autobiography of Charles Darwin, book.written_work.subjects, Evolution
Charles Darwin, book.book_subject.works, The Reluctant Mr. Darwin
The Correspondence of Charles Darwin, Volume 16: 1868, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 17: 1869
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 11: 1863, 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
George Canning's left buttock and the origin of species, book.written_work.subjects, Charles Darwin
The Correspondence of Charles Darwin, Volume 15: 1867, book.written_work.author, Charles Darwin
Grant Allen, book.author.works_written, Charles Darwin
The Correspondence of Charles Darwin, Volume 14: 1866, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 15: 1867
Charles Darwin, book.book_subject.works, George Canning's left buttock and the origin of species
Darwin and His Great Discovery, book.written_work.subjects, History
Charles Darwin: The Power of Place, book.book.genre, Biography
Charles Darwin, book.book_subject.works, Darwin
Charles Darwin: The Power of Place, book.book.editions, Charles Darwin: The Power of Place
Janet Browne, book.author.works_written, Charles Darwin: The Power of Place
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, 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, Biology
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 15: 1867, book.book.genre, Biography
Charles Darwin, book.written_work.author, On the origin of species by means of natural selection
Darwin, book.written_work.subjects, History
Charles Darwin, book.book_edition.author_editor, Grant Allen
Darwin Loves You: Natural Selection and the Re-Enchantment of the World, book.book.genre, Non-fiction
Charles Darwin, book.written_work.subjects, Natural history
Natural history, book.written_work.subjects, The Correspondence of Charles Darwin, Volume 1: 1821-1836
Darwin Loves You: Natural Selection and the Re-Enchantment of the World, book.book.editions, Darwin Loves You: Natural Selection and the Re-enchantment of the World
Darwin on Trial, book.written_work.subjects, Natural history
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.author, George Lewis Levine
The Correspondence of Charles Darwin, Volume 11: 1863, book.written_work.author, Charles Darwin
Charles Darwin, book.book_subject.works, Celebrating Evolution the Web Way
Charles Darwin, book.book_subject.works, Darwin's Sacred Cause: How a Hatred of Slavery Shaped Darwin's Views on Human Evolution
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, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 18: 1870
The Correspondence of Charles Darwin, Volume 16: 1868, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 15: 1867
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 6: 1856-1857, 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, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 15: 1867
The Correspondence of Charles Darwin, Volume 9: 1861, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 8: 1860
Darwin and His Great Discovery, book.written_work.subjects, Natural history
Darwin and the Darwinian revolution, book.written_work.subjects, Natural history
Darwin's big book, book.written_work.author, Stephen Jay Gould
Janet Browne, book.author.works_edited, The Correspondence of Charles Darwin, Volume 8: 1860
The Correspondence of Charles Darwin, Volume 4: 1847-1850, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 3: 1844-1846
Charles Darwin: The Power of Place, book.written_work.subjects, Charles Darwin
Evolution, book.written_work.subjects, The Correspondence of Charles Darwin, Volume 1: 1821-1836
The Correspondence of Charles Darwin, Volume 13: 1865, book.written_work.author, Charles Darwin
Darwin's Black Box: The Biochemical Challenge to Evolution, book.written_work.subjects, Evolution
The Correspondence of Charles Darwin, Volume 10: 1862, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 11: 1863
The Correspondence of Charles Darwin, Volume 14: 1866, book.written_work.original_language, English Language
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.part_of_series, The Correspondence of Charles Darwin
Charles Darwin: Voyaging, book.written_work.author, Janet Browne
Charles Darwin, book.book.genre, Autobiography
The Correspondence of Charles Darwin, Volume 8: 1860, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 9: 1861
Charles Darwin: Voyaging, book.book.editions, Charles Darwin: Voyaging
The Correspondence of Charles Darwin, Volume 1: 1821-1836, book.written_work.subjects, Evolution
The Reluctant Mr. Darwin, book.written_work.subjects, History
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 7: 1858-1859, book.written_work.author, Charles Darwin
The Autobiography of Charles Darwin, book.written_work.author, Charles Darwin
The Reluctant Mr. Darwin, book.written_work.subjects, Charles Darwin
The Correspondence of Charles Darwin, Volume 10: 1862, book.written_work.author, Charles Darwin
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 13: 1865
Charles Darwin, book.book_subject.works, Darwin and His Great Discovery
The Correspondence of Charles Darwin, Volume 12: 1864, common.topic.notable_types, Book
The Correspondence of Charles Darwin, Volume 8: 1860, book.written_work.original_language, English Language
The Correspondence of Charles Darwin, Volume 7: 1858-1859, book.written_work.original_language, English Language
The Correspondence of Charles Darwin, Volume 12: 1864, book.written_work.previous_in_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
Evolution, book.written_work.subjects, The Autobiography of Charles Darwin
Darwin and His Great Discovery, book.written_work.author, Catherine Crook de Camp
History of science, book.book_subject.works, The Correspondence of Charles Darwin, Volume 1: 1821-1836
The Correspondence of Charles Darwin, Volume 6: 1856-1857, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 7: 1858-1859
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 12: 1864
The Correspondence of Charles Darwin, Volume 15: 1867, book.book.genre, Science
The Correspondence of Charles Darwin, Volume 13: 1865, 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
Darwin and the Darwinian revolution, book.written_work.subjects, Biology
The Correspondence of Charles Darwin, Volume 9: 1861, book.written_work.part_of_series, The Correspondence of Charles Darwin
Charles Darwin: Voyaging, book.book.editions, Charles Darwin : a biography
Charles Darwin: A Scientific Biography, book.book.editions, Charles Darwin; evolution by natural selection
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 11: 1863, book.written_work.original_language, English Language
The Correspondence of Charles Darwin, Volume 4: 1847-1850, common.topic.notable_types, Book
Natural history, book.written_work.subjects, On the origin of species by means of natural selection
Darwin and the Darwinian revolution, book.written_work.subjects, Charles Darwin
The Correspondence of Charles Darwin, Volume 9: 1861, book.written_work.author, Charles Darwin
Peter Sís, book.author.works_written, The Tree of Life: Charles Darwin
The Correspondence of Charles Darwin, Volume 11: 1863, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 10: 1862
Charles Darwin, book.book_subject.works, Charles Darwin
The Reluctant Mr. Darwin, book.written_work.subjects, Evolution
Janet Browne, book.author.works_edited, The Correspondence of Charles Darwin, Volume 9: 1861
Darwin's Black Box: The Biochemical Challenge to Evolution, book.written_work.subjects, Charles Darwin
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 7: 1858-1859
The Autobiography of Charles Darwin, book.book.genre, Biography
The Correspondence of Charles Darwin, Volume 4: 1847-1850, book.written_work.author, Charles Darwin
The Autobiography of Charles Darwin, book.written_work.subjects, Science
The Life and Letters of Charles Darwin, book.written_work.author, Francis 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
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
The Correspondence of Charles Darwin, Volume 5: 1851-1855, book.written_work.original_language, English Language
The Tree of Life: Charles Darwin, book.book.genre, Non-fiction
The Reluctant Mr. Darwin, book.written_work.subjects, Natural history
Darwin Loves You: Natural Selection and the Re-Enchantment of the World, book.book.editions, Darwin Loves You: Natural Selection and the Re-Enchantment of the World
Book, common.topic.notable_types, The Autobiography of Charles Darwin
The Correspondence of Charles Darwin, Volume 18: 1870, book.written_work.original_language, English Language
The Survival of Charles Darwin: A Biography of a Man and an Idea, book.written_work.author, Ronald W. Clark
Darwin and His Great Discovery, book.written_work.subjects, Evolution
Charles Darwin, book.book_subject.works, Charles Darwin: A Scientific Biography
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 15: 1867, common.topic.notable_types, Book
The Correspondence of Charles Darwin, Volume 12: 1864, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 13: 1865
The Correspondence of Charles Darwin, Volume 7: 1858-1859, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 8: 1860
Janet Browne, book.author.works_written, Charles Darwin: Voyaging
The Correspondence of Charles Darwin, Volume 2: 1837-1843, book.written_work.part_of_series, The Correspondence of Charles Darwin
Natural history, book.written_work.subjects, The Autobiography of Charles Darwin
The Correspondence of Charles Darwin, Volume 3: 1844-1846, book.written_work.part_of_series, The Correspondence of Charles Darwin
Darwin and the Darwinian revolution, book.written_work.subjects, Evolution
Darwin and the Darwinian revolution, book.written_work.author, Gertrude Himmelfarb
Darwin and His Great Discovery, book.written_work.author, L. Sprague de Camp
The Autobiography of Charles Darwin, book.book.genre, Science
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 Autobiography of Charles Darwin, book.written_work.subjects, History
Charles Darwin, book.written_work.subjects, Science
Charles Darwin, book.book.editions, Charles Darwin
The Correspondence of Charles Darwin, Volume 16: 1868, common.topic.notable_types, Book
The Correspondence of Charles Darwin, Volume 17: 1869, book.written_work.next_in_series, The Correspondence of Charles Darwin, Volume 18: 1870
Charles Darwin: Voyaging, book.book.genre, Biography
The Tree of Life: Charles Darwin, book.written_work.author, Peter Sís
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 13: 1865, common.topic.notable_types, Book
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, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 10: 1862
The Correspondence of Charles Darwin, Volume 17: 1869, book.written_work.original_language, English Language
The Correspondence of Charles Darwin, Volume 17: 1869, book.written_work.author, Charles Darwin
The Correspondence of Charles Darwin, Volume 4: 1847-1850, book.written_work.original_language, English Language
The Correspondence of Charles Darwin, Volume 6: 1856-1857, book.written_work.original_language, English Language
The Correspondence of Charles Darwin, Volume 1: 1821-1836, book.written_work.subjects, England
George Lewis Levine, book.author.works_written, Darwin Loves You: Natural Selection and the Re-Enchantment of the World
The Tree of Life: Charles Darwin, book.written_work.subjects, Charles Darwin
Charles Darwin, book.book_subject.works, Charles Darwin: The Power of Place
The Correspondence of Charles Darwin, Volume 3: 1844-1846, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 2: 1837-1843
Charles Darwin, book.written_work.subjects, Technology
Darwin Loves You: Natural Selection and the Re-Enchantment of the World, book.written_work.subjects, Charles Darwin
Charles Darwin: A Scientific Biography, book.written_work.subjects, Charles Darwin
The Correspondence of Charles Darwin, Volume 1: 1821-1836, book.written_work.subjects, History
The Correspondence of Charles Darwin, book.literary_series.works_in_this_series, The Correspondence of Charles Darwin, Volume 3: 1844-1846
The Autobiography of Charles Darwin, book.written_work.subjects, Biology
The Correspondence of Charles Darwin, Volume 8: 1860, book.written_work.author, Charles Darwin
The Correspondence of Charles Darwin, Volume 18: 1870, book.written_work.previous_in_series, The Correspondence of Charles Darwin, Volume 17: 1869
Evolution, book.written_work.subjects, On the origin of species by means of natural selection
Darwin's Black Box: The Biochemical Challenge to Evolution, book.written_work.subjects, Intelligent Design
On the origin of species by means of natural selection, book.written_work.author, Charles Darwin
The Autobiography of Charles Darwin, book.written_work.original_language, English Language
The Correspondence of Charles Darwin, Volume 16: 1868, book.written_work.original_language, English Language
The Correspondence of Charles Darwin, Volume 15: 1867, book.written_work.original_language, English Language
The Correspondence of Charles Darwin, book.literary_series.author_s, Charles Darwin
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.written_work.subjects, Charles Darwin
Charles Darwin: Voyaging, book.written_work.next_in_series, Charles Darwin: The Power of Place
The Tree of Life: Charles Darwin, book.book.genre, Children's literature
The Darwin conspiracy, book.written_work.subjects, Charles Darwin
Charles Darwin, book.book_subject.works, Darwin's Black Box: The Biochemical Challenge to Evolution
Francis Darwin, book.author.works_written, The Life and Letters of Charles Darwin
The Correspondence of Charles Darwin, Volume 18: 1870, book.written_work.author, Charles Darwin

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