other	Arts & Photography
Biographies & Memoirs	Business & Money
Calendars	Christian Books & Bibles
Comics & Graphic Novels	Computers & Technology
Cookbooks, Food & Wine	Crafts, Hobbies & Home
Education & Teaching	Engineering & Transportation
Health, Fitness & Dieting	Humor & Entertainment
Law	Lesbian, Gay, Bisexual & Transgender Books
Literature & Fiction	Medical Books
Mystery, Thriller & Suspense	Parenting & Relationships
Politics & Social Sciences	Reference
Religion & Spirituality	Romance
Science & Math	Science Fiction & Fantasy
Self-Help	Sports & Outdoors
Teen & Young Adult	Test Preparation
Travel	Children's Books
History

The Psychology Book by DK(1125)
The Swerve by Greenblatt Stephen(1091)
Friedrich Nietzsche by Curtis Cate(970)
History Of Western Philosophy by Bertrand Russell(829)
The Swerve: How the World Became Modern by Stephen Greenblatt(749)
The Bloomsbury Encyclopedia of Philosophers in America From 1600 to the Present by Shook John R(716)
The Birth of Tragedy by Friedrich Nietzsche(694)
Mere Christianity by Lewis C. S(685)
Beyond Fate by Margaret Visser(557)
The Great Divorce by C. S. Lewis(544)
The Forbidden Universe: The Origins of Science and the Search for the Mind of God by Lynn Picknett & Clive Prince(540)
El Mundo de Sofía by Jostein Gaarder(528)
The Age of Wonder: The Romantic Generation and the Discovery of the Beauty and Terror of Science by Richard Holmes(524)
God and the Atom by Victor J. Stenger(444)
Freedom's Right by Axel Honneth(434)
How to Think About the Great Ideas by Mortimer J. Adler(428)
Leviathan by THOMAS HOBBES & MICHAEL OAKESHOTT & RICHARD S. PETERS(415)
A Discourse on Inequality by Jean-Jacques Rousseau Maurice Cranston (translator)(386)
Existentialism and Excess: The Life and Times of Jean-Paul Sartre by Gary Cox(385)
The Hedgehog and the Fox by Ignatieff Michael Hardy Henry Berlin Isaiah(376)