| #2 |  The Hitchhiker's Guide to the Galaxy
| 4.25 | 2,381 reads | |
| #3 |  Dune
| 4.28 | 2,596 reads | |
| #4 |  The Time Machine/The Invisible Man
| 4.27 | 15 reads | |
| #5 |  Gateway
| 3.87 | 142 reads | |
| #6 |  2001: A Space Odyssey
| 4.05 | 533 reads | |
| #7 |  A Fire Upon the Deep
| 4.02 | 226 reads | |
| #8 |  Startide Rising
| 4.07 | 64 reads | |
| #9 |  Raptor Red
| 3.6 | 10 reads | |
| #10 |  Leviathan Wakes
| 4.24 | 1,128 reads | |
| #11 |  The Long Earth
| 3.64 | 168 reads | |
| #12 |  The Humans
| 3.86 | 229 reads | |
| #13 |  Flowers for Algernon
| 4.28 | 986 reads | |
| #14 |  Stranger in a Strange Land
| 3.69 | 393 reads | |
| #15 |  The Mote in God's Eye
| 3.79 | 156 reads | |
| #16 |  Wool
| 4.11 | 705 reads | |
| #17 |  Kutath
| 3.67 | 6 reads | |
| #18 |  The Moon Is a Harsh Mistress
| 3.78 | 263 reads | |
| #19 |  Odyssey One
| 4.2 | 19 reads | |
| #20 |  The Heart of Matter
| 3.62 | 14 reads | |
| #21 |  Homeworld
| 4.07 | 19 reads | |
| #22 |  Out of the Black
| 4 | 11 reads | |
| #23 |  The Sparrow
| 3.99 | 228 reads | |
| #24 |  Children of God
| 3.79 | 57 reads | |
| #25 |  Influx
| 3.82 | 54 reads | |
| #26 |  The Seedling Stars
| 4 | 1 read | |
| #27 |  Dragon's Egg
| 3.98 | 35 reads | |
| #28 |  Mission of Gravity
| 4 | 8 reads | |
| #29 |  Far-Seer
| 3.6 | 6 reads | |
| #30 |  Fossil Hunter
| 3.67 | 3 reads | |
| #31 |  Foreigner
| 3.67 | 3 reads | |
| #32 |  Falling Free
| 3.72 | 61 reads | |
| #33 |  Weatherman Weatherman
| 3.8 | 7 reads | |
| #34 |  Memory
| 4.34 | 30 reads | |
| #35 |  The Three-Body Problem
| 3.93 | 1,449 reads | |
| #36 |  The Dark Forest
| 4.24 | 641 reads | |
| #37 |  The Warlord of Mars
| 3.53 | 23 reads | |
| #38 |  The Gods of Mars
| 3.38 | 31 reads | |
| #39 |  A Princess of Mars
| 3.38 | 113 reads | |
| #40 |  Iceworld
| 3 | 1 read | |
| #41 |  Blue Remembered Earth
| 3.85 | 46 reads | |
| #42 |  The nitrogen fix
| 3 | 0 reads | |
| #43 |  The Engines of God
| 3.69 | 42 reads | |
| #44 |  Deepsix
| 3 | 1 read | |
| #46 |  On the Steel Breeze
| 3.83 | 24 reads | |
| #47 |  House of Suns
| 4.23 | 122 reads | |
| #48 |  Pushing Ice
| 4.11 | 88 reads | |
| #49 |  Seveneves
| 3.9 | 425 reads | |
| #50 |  The Apocalypse Troll
| 3.25 | 3 reads | |
| #51 |  Children of Time
| 4.28 | 677 reads | |
| #52 |  Hominids
| 3.26 | 26 reads | |
| #53 |  Demon of Undoing
| 4 | 0 reads | |
| #54 |  Hyperion
| 4.27 | 727 reads | |
| #55 |  Diaspora
| 3.58 | 48 reads | |
| #56 |  The Martian
| 4.41 | 2,131 reads | |
| #57 |  The Many-Coloured Land
| 3.87 | 17 reads | |
| #58 |  Close to Critical
| 3 | 1 read | |
| #59 |  All Systems Red
| 4.08 | 1,611 reads | |
| #60 |  Where Late The Sweet Birds Sang
| 3.4 | 25 reads | |
| #62 |  Raven Stratagem
| 3.86 | 68 reads | |
| #63 |  Railhead
| 3.79 | 8 reads | |
| #64 |  Ancillary Justice
| 3.98 | 491 reads | |
| #65 |  The Obelisk Gate
| 4.31 | 621 reads | |
| #66 |  The Stone Sky
| 4.36 | 542 reads | |
| #67 |  Stealing Light
| 2.75 | 8 reads | |
| #68 |  Nova War
| 4 | 6 reads | |
| #69 |  Empire of Light
| 3.67 | 4 reads | |
| #70 |  3zekiel
| 3.67 | 11 reads |