| #2 |  Foundation and Earth
| 3.83 | 186 reads | |
| #3 |  Foundation's edge
| 3.96 | 241 reads | |
| #4 |  Second Foundation
| 4.16 | 438 reads | |
| #5 |  Foundation and Empire
| 4.05 | 493 reads | |
| #6 |  Foundation
| 3.99 | 1,026 reads | |
| #7 |  Rendezvous with Rama
| 3.95 | 419 reads | |
| #8 |  Rama Revealed
| 3.3 | 40 reads | |
| #9 |  The Garden of Rama
| 3.09 | 48 reads | |
| #10 |  Rama II
| 3.33 | 75 reads | |
| #11 |  Shipstar
| 3.6 | 6 reads | |
| #12 |  Bowl of heaven
| 3.14 | 9 reads | |
| #13 |  Old Man's War
| 4.17 | 644 reads | |
| #14 |  Aurora
| 3.71 | 148 reads | |
| #15 |  Seveneves
| 3.9 | 422 reads | |
| #16 |  Hull Zero Three
| 3.25 | 34 reads |
