| #2 |  Rocket Billionaires: Elon Musk, Jeff Bezos, and the New Space Race
| 3.67 | 3 reads | |
| #3 |  The Right Stuff
| 4.2 | 82 reads | |
| #4 |  Packing for Mars
| 4.02 | 133 reads | |
| #5 |  Leaving Orbit
| 0 | 0 reads | |
| #6 |  The Six: The Untold Story of America's First Women Astronauts
| 4 | 12 reads |