| #2 |  Touching the Clouds
| 3 | 3 reads | |
| #3 |  The Glorious Flight
| 4 | 3 reads | |
| #4 |  How people learned to fly
| 0 | 0 reads | |
| #5 |  Hot Air
| 4 | 1 read | |
| #6 |  Across the Blue
| 4 | 2 reads | |
| #7 |  Alone with the Stars
| 3.7 | 5 reads |
| #2 | Touching the Clouds
| 3 | 3 reads | |
| #3 | The Glorious Flight
| 4 | 3 reads | |
| #4 | How people learned to fly
| 0 | 0 reads | |
| #5 | Hot Air
| 4 | 1 read | |
| #6 | Across the Blue
| 4 | 2 reads | |
| #7 | Alone with the Stars
| 3.7 | 5 reads |