| #2 |  The Selfish Gene
| 4.19 | 234 reads | |
| #3 |  The Life of Mammals
| 4.33 | 3 reads | |
| #4 |  The Evolution of Cooperation
| 4.17 | 7 reads | |
| #5 |  On the Origin of Species
| 4.08 | 111 reads | |
| #6 |  The Reptiles The Reptiles
| 0 | 1 read | |
| #7 |  The Biological Sciences
| 0 | 0 reads | |
| #8 |  The Mammals
| 4 | 1 read |