 Dune
| 1965 | 1,861 reads | 4.28 | |
 The Hitchhiker's Guide to the Galaxy
| 30 | 1,676 reads | 4.25 | |
 Project Hail Mary
| 2021 | 1,342 reads | 4.46 | |
 The Martian
| 2011 | 1,491 reads | 4.4 | |
 The Three-Body Problem
| 2006 | 1,056 reads | 3.93 | |
 All Systems Red
| 2017 | 1,167 reads | 4.06 | |
 Red Rising
| 2014 | 892 reads | 4.1 | |
 Ender's Game
| 1985 | 1,273 reads | 4.27 | |
 Leviathan Wakes
| 2011 | 814 reads | 4.23 | |
 Foundation
| 1951 | 725 reads | 3.99 | |
 Hyperion
| 1989 | 539 reads | 4.25 | |
 Gideon the Ninth
| 2019 | 532 reads | 4.02 | |
 Children of Time
| 2015 | 514 reads | 4.28 | |
 The Long Way to a Small, Angry Planet
| 2014 | 551 reads | 4.14 | |
 Sea of Tranquility
| 1999 | 402 reads | 4.04 | |
 Messia di Dune
| 1965 | 654 reads | 3.76 | |
 Artemis
| 2017 | 566 reads | 3.61 | |
 Artificial Condition
| 2018 | 766 reads | 4.17 | |
 The Left Hand of Darkness
| 1969 | 405 reads | 4.04 | |
 Golden Son
| 2015 | 620 reads | 4.43 | |
 A Memory Called Empire
| 2019 | 346 reads | 4.18 | |
 Skyward
| 2018 | 416 reads | 4.37 | |
 Rogue Protocol
| 2018 | 635 reads | 4.13 | |
 I, Robot
| 1950 | 408 reads | 4.02 | |
 Morning Star
| 2016 | 526 reads | 4.44 | |
 Old Man's War
| 2005 | 468 reads | 4.19 | |
 The Dark Forest
| 2008 | 454 reads | 4.23 | |
 2001: A Space Odyssey
| 1968 | 382 reads | 3.99 | |
 Exit Strategy
| 2018 | 562 reads | 4.32 | |
 A Short History of Nearly Everything
| 2003 | 280 reads | 4.23 | |
 The Restaurant at the End of the Universe
| 1980 | 557 reads | 4.04 | |
 Ancillary Justice
| 2013 | 363 reads | 4.02 | |
 Caliban's War
| 2012 | 504 reads | 4.32 | |
 Network Effect
| 2020 | 467 reads | 4.39 | |
 Children of Dune
| 1976 | 389 reads | 3.84 | |
 We Are Legion
| 2017 | 402 reads | 4.14 | |
 Seveneves
| 2015 | 316 reads | 3.92 | |
 The Dispossessed
| 1974 | 232 reads | 4.1 | |
 Death's End
| 2010 | 355 reads | 4.35 | |
 The Martian Chronicles
| 20 | 338 reads | 3.95 | |
 Abaddon's Gate
| 7 | 443 reads | 4.23 | |
 The Forever War
| 1974 | 319 reads | 3.9 | |
 To Sleep in a Sea of Stars
| 1905 | 160 reads | 3.64 | |
 Empire of Silence
| 2018 | 175 reads | 3.94 | |
 Saga, Vol. 1
| 2012 | 380 reads | 4.35 | |
 Fugitive Telemetry
| 2021 | 385 reads | 4.2 | |
 Stranger in a Strange Land
| 1961 | 249 reads | 3.65 | |
 Speaker for the Dead
| 1986 | 423 reads | 4.07 | |
 Life, the Universe and Everything
| 1982 | 415 reads | 3.99 | |
 Cibola Burn
| 2014 | 403 reads | 4.14 | |
 Consider Phlebas
| 1987 | 252 reads | 3.52 | |
 Iron Gold
| 2018 | 256 reads | 4.09 | |
 Childhood's End
| 1953 | 250 reads | 3.99 | |
 Rendezvous with Rama
| 1973 | 309 reads | 3.93 | |
 Nemesis Games
| 2015 | 371 reads | 4.45 | |
 Redshirts
| 2012 | 341 reads | 3.87 | |
 Foundation and Empire
| 1952 | 343 reads | 3.98 | |
 Solaris
| 1961 | 201 reads | 3.72 | |
 Starship Troopers
| 1959 | 279 reads | 3.73 | |
 Astrophysics for People in a Hurry
| 2017 | 235 reads | 3.92 | |
 Blindsight
| 2006 | 204 reads | 3.83 | |
 Babylon's Ashes
| 2016 | 335 reads | 4.16 | |
 Harrow the Ninth
| 2020 | 268 reads | 4.14 | |
 System Collapse
| 2023 | 233 reads | 4.16 | |
 Anathem
| 2008 | 185 reads | 4.22 | |
 The Ultimate Hitchhiker's Guide: Five Complete Novels and One Story
| 1979 | 277 reads | 4.41 | |
 Persepolis Rising
| 2017 | 313 reads | 4.29 | |
 Sleeping Giants
| 2016 | 230 reads | 3.79 | |
 So Long, and Thanks for All the Fish
| 1984 | 335 reads | 3.87 | |
 God Emperor of Dune
| 1981 | 236 reads | 3.76 | |
 A Closed and Common Orbit
| 2016 | 299 reads | 4.35 | |
 A Fire Upon the Deep
| 2010 | 173 reads | 4 | |
 Contact
| 1985 | 207 reads | 4.08 | |
 Brief History of Time
| 1988 | 193 reads | 4.25 | |
 Second Foundation
| 1953 | 306 reads | 4.12 | |
 The Collapsing Empire
| 2017 | 236 reads | 4.07 | |
 Illuminae
| 2015 | 207 reads | 4.19 | |
 Dark Age
| 2019 | 182 reads | 4.46 | |
 Tiamat's Wrath
| 2018 | 296 reads | 4.54 | |
 Scarlet
| 2013 | 309 reads | 4.04 | |
 The Sparrow
| 1996 | 179 reads | 4.01 | |
 The Calculating Stars
| 2018 | 203 reads | 4.09 | |
 The Fall of Hyperion
| 272 reads | 4.17 | ||
 Leviathan Falls
| 2021 | 262 reads | 4.52 | |
 Ringworld
| 1970 | 225 reads | 3.62 | |
 Cress
| 2013 | 282 reads | 4.25 | |
 The Sirens of Titan
| 1959 | 196 reads | 3.93 | |
 Red Mars
| 2009 | 174 reads | 3.75 | |
 Armada
| 2000 | 256 reads | 3.32 | |
 The Moon Is a Harsh Mistress
| 173 reads | 3.73 | ||
 Mostly Harmless
| 1979 | 268 reads | 3.73 | |
 Children of Ruin
| 2019 | 198 reads | 4 | |
 Shards of Earth
| 2021 | 129 reads | 3.98 | |
 To Be Taught, If Fortunate
| 2019 | 184 reads | 4.22 | |
 The Andromeda Strain
| 1969 | 222 reads | 3.69 | |
 Revelation Space
| 2000 | 153 reads | 3.83 | |
 Record of a Spaceborn Few
| 2018 | 209 reads | 4.17 | |
 For We Are Many
| 2017 | 286 reads | 4.2 | |
 Heretics of Dune
| 1984 | 148 reads | 3.56 | |
 Cytonic
| 2021 | 206 reads | 3.92 |