| #2 |  Forever Hidden
| 5 | 1 read | |
| #3 |  Rivers of gold
| 4 | 1 read | |
| #4 |  Sabotaged
| 4.67 | 4 reads | |
| #5 |  Penguins
| 0 | 0 reads | |
| #6 |  Race to the Bottom of the Earth: Surviving Antarctica
| 0 | 0 reads |
| #2 | Forever Hidden
| 5 | 1 read | |
| #3 | Rivers of gold
| 4 | 1 read | |
| #4 | Sabotaged
| 4.67 | 4 reads | |
| #5 | Penguins
| 0 | 0 reads | |
| #6 | Race to the Bottom of the Earth: Surviving Antarctica
| 0 | 0 reads |