 Gardens of the Moon
| 3.96 |
 Foundation
| 3.99 |
 Foundation and Empire
| 3.98 |
 Second Foundation
| 4.12 |
 Foundation's Edge
| 3.87 |
 Foundation and Earth
| 3.76 |
 Prelude to Foundation
| 3.93 |
 Elder Race
| 3.98 |
Elder Race
| 3.98 |
 The Andromeda Strain
| 3.69 |
 Red Mars
| 3.75 |
The Andromeda Strain
| 3.69 |
 If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY? If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY?: Seventy-Five Solutions to the Fermi Paradox and the Problem of Extraterrestrial Life
| 3.5 |
 The Martian
| 4.4 |
 Ready Player One
| 3.94 |
 Children of Ruin
| 4 |
Red Mars
| 3.75 |
 Dark Matter
| 4.06 |
 The Fellowship of the Ring
| 4.38 |
 The Book of Three
| 3.67 |
 Babylon's Ashes
| 4.16 |
 Sleeping Giants
| 3.79 |
 The Calculating Stars
| 4.09 |
 The Three-Body Problem
| 3.93 |
 Daemon
| 3.98 |
Children of Ruin
| 4 |
 Persepolis Rising
| 4.29 |
 Cibola Burn
| 4.14 |
 Nemesis Games
| 4.45 |
 Pathfinder
| 3.75 |
 Gateway
| 3.87 |
 Green Mars
| 3.73 |
 Wit'ch Storm
| 3.72 |
 Number the Stars
| 4.01 |
 The Door in the Wall
| 3.56 |
Number the Stars
| 4.01 |
Foundation
| 3.99 |
The Calculating Stars
| 4.09 |
Foundation and Empire
| 3.98 |
 Fahrenheit 451
| 3.93 |
 Treason
| 3.88 |
 Foundation and Earth
| 3.76 |
 Ender's Game
| 4.27 |
 The Worthing Saga
| 3.62 |
Second Foundation
| 4.12 |