| 4.38 | - | |
Primates and Philosophers: How Morality Evolved | 0 | - | |
| 0 | - | |
| 4 | - | |
| 4.03 | - | |
| 4.2 | - | |
| 0 | - | |
| 3.7 | - | |
| 3 | - | |
| 4.21 | - | |
| 3.2 | - | |
The Bonobo and the Atheist - Frans de Waal
- Frans B. M. Waal
| 4.25 | - | |
The Oxford Book of Modern Science Writing | 4 | - | |
Tihkal: The Continuation - Alexander Shulgin
- Ann Shulgin
| 0 | - | |
The Autobiography of Charles Darwin: 1809-1882 | 4.5 | - | |
Bonobo - Frans B. M. Waal
- Frans Lanting
| 4 | - | |
Brief Candle in the Dark: My Life in Science | 4 | - | |
Climbing Mount Improbable | 4.33 | - | |
| 4 | - | |
 On Dreams On Dreams - Sigmund Freud
- M. D. Eder (Translator)
| 3.33 | - | |
The Expression of the Emotions in Man and Animals - Charles Darwin
- Charles Darwin
| 4 | - | |
Are We Smart Enough to Know How Smart Animals Are? | 3.9 | - | |
| 4 | - | |
| 3 | - | |
Five Lectures on Psycho-Analysis | 2 | - | |
Outgrowing God: A Beginner’s Guide | 3.67 | - | |
Science in the Soul: Selected Writings of a Passionate Rationalist | 3.69 | - | |
| 0 | 5.0 | |
| 4 | - | |
Caesar's Last Breath: Decoding the Secrets of the Air Around Us | 4.18 | - | |
Mama's Last Hug: Animal Emotions and What They Tell Us about Ourselves | 4.25 | - | |
| 0 | - | |
| 4 | - | |
Beyond the Pleasure Principle - Sigmund Freud
- C.J.M. Hubback (Translator)
| 3.72 | - | |
| 2 | - | |
The Extended Phenotype: The Long Reach of the Gene | 3.45 | - | |
| 3 | - | |
| 3.67 | - | |
The Greatest Show on Earth: The Evidence for Evolution | 4.31 | - | |
| 3 | - | |