| #2 |  The Sea
| 4 | 1 read | |
| #3 |  Early Man
| 4 | 1 read | |
| #4 |  The Reptiles The Reptiles
| 0 | 1 read | |
| #5 |  The Primates
| 4 | 1 read | |
| #6 |  The universe
| 0 | 0 reads | |
| #7 |  The Earth
| 0 | 1 read | |
| #8 |  The Birds
| 4 | 1 read | |
| #9 |  The Desert
| 4 | 1 read | |
| #10 |  The Fishes
| 4 | 1 read | |
| #11 |  Animal Behavior
| 4 | 1 read | |
| #12 |  Evolution
| 4 | 1 read |
