| #1 |  Gardens of the Moon
| 3.96 |
| #2 |  Foundation
| 3.99 |
| #3 |  Foundation and Empire
| 3.98 |
| #4 |  Second Foundation
| 4.12 |
| #5 |  Foundation's Edge
| 3.87 |
| #6 |  Foundation and Earth
| 3.76 |
| #7 |  Prelude to Foundation
| 3.93 |
| #8 |  Elder Race
| 3.98 |
| #9 | Elder Race
| 3.98 |
| #10 |  The Andromeda Strain
| 3.69 |
| #11 |  Red Mars
| 3.75 |
| #12 | The Andromeda Strain
| 3.69 |
| #13 |  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 |
| #14 |  The Martian
| 4.4 |
| #15 |  Ready Player One
| 3.94 |
| #16 |  Children of Ruin
| 4 |
| #17 | Red Mars
| 3.75 |
| #18 |  Dark Matter
| 4.06 |
| #19 |  The Fellowship of the Ring
| 4.38 |
| #20 |  The Book of Three
| 3.67 |
| #21 |  Babylon's Ashes
| 4.16 |
| #22 |  Sleeping Giants
| 3.79 |
| #23 |  The Calculating Stars
| 4.09 |
| #24 |  The Three-Body Problem
| 3.93 |
| #25 |  Daemon
| 3.98 |
| #26 | Children of Ruin
| 4 |
| #27 |  Persepolis Rising
| 4.29 |
| #28 |  Cibola Burn
| 4.14 |
| #29 |  Nemesis Games
| 4.45 |
| #30 |  Pathfinder
| 3.75 |
| #31 |  Gateway
| 3.87 |
| #32 |  Green Mars
| 3.73 |
| #33 |  Wit'ch Storm
| 3.72 |
| #34 |  Number the Stars
| 4.01 |
| #35 |  The Door in the Wall
| 3.56 |
| #36 | Number the Stars
| 4.01 |
| #37 | Foundation
| 3.99 |
| #38 | The Calculating Stars
| 4.09 |
| #39 | Foundation and Empire
| 3.98 |
| #40 |  Fahrenheit 451
| 3.93 |
| #41 |  Treason
| 3.88 |
| #42 |  Foundation and Earth
| 3.76 |
| #43 |  Ender's Game
| 4.27 |
| #44 |  The Worthing Saga
| 3.62 |
| #45 | Second Foundation
| 4.12 |