| #2 |  The Hour Between Dog and Wolf
| 3.33 | 3 reads | |
| #3 |  A Planet of Viruses
| 3.96 | 14 reads | |
| #4 |  The Hidden Life of Trees: What They Feel, How They Communicate—Discoveries from A Secret World
| 3.99 | 132 reads | |
| #5 |  Life Everlasting: The Animal Way of Death
| 4 | 4 reads | |
| #6 |  So Simple a Beginning
| 4.17 | 5 reads |