| #2 |  The Hitchhiker's Guide to the Galaxy
| 4.24 |
| #3 |  The Restaurant at the End of the Universe
| 4.06 |
| #4 |  Life, the Universe and Everything
| 3.99 |
| #6 |  So Long, and Thanks for All the Fish
| 3.9 |
| #7 |  Mostly Harmless
| 3.77 |
| #8 |  The Visitor
| 3.76 |
| #9 |  The Invasion
| 3.85 |
| #10 |  Night Watch
| 4.42 |
| #16 |  Carrying the Fire: An Astronaut's Journeys
| 5 |
