On The Origin Of Species & Other Bonus Works: Einstein Theory of Relativity, An Inquiry into the Nature and Causes of the Wealth of Nations

Francis Bacon: The New Organon (Cambridge Texts in the History of Philosophy)

Six Easy Pieces: Essentials of Physics Explained by Its Most Brilliant Teacher

Civil Disobedience (Dover Thrift Editions)

Darwin's Black Box: The Biochemical Challenge to Evolution

Emerson: Selected Essays

The Principia: The Authoritative Translation: Mathematical Principles of Natural Philosophy