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- On the Origin of Species (1859), by Charles Darwin.
- Male and Female (1949), by Margaret Mead.
- Animal Liberation (1975), by Peter Singer.
- Godel, Escher, Bach (1979), by Douglas Hofstadter.
- Cosmos (1985), by Carl Sagan.
- The Selfish Gene (1990), by Richard Dawkins.
- The Coming Plague: Newly Emerging Diseases in a World Out of Balance (1995), by Laurie Garrett.
- Six Easy Pieces: Essentials of Physics Explained by its Most Brilliant Teacher (1995), by Richard P. Feynman.
- Guns, Germs, and Steel: The Fates of Human Societies (1999), by Jared Diamond.
- The Elegant Universe (2000), by Brian Greene.