| #2 |  Foundation
| 3.99 | 974 reads | |
| #3 |  The End of Eternity
| 4.2 | 109 reads | |
| #4 |  Foundation and Earth
| 3.79 | 171 reads | |
| #5 |  Foundation and Empire
| 4.03 | 447 reads | |
| #6 |  Foundation's edge
| 3.94 | 221 reads | |
| #7 |  Second Foundation
| 4.16 | 404 reads | |
| #8 |  Dune Messiah
| 3.78 | 856 reads | |
| #9 |  Forward the Foundation
| 4.05 | 123 reads | |
| #11 |  Dune
| 4.29 | 2,458 reads | |
| #12 |  Los viejos salvajes Los viejos salvajes
| 3 | 1 read | |
| #13 |  Starship Troopers
| 3.72 | 364 reads | |
| #14 |  The Martian Chronicles
| 3.99 | 454 reads | |
| #15 |  Fahrenheit 451
| 3.92 | 2,089 reads | |
| #16 |  La Cruzada de Liberty
| 4 | 4 reads | |
| #17 |  Rendezvous with Rama
| 3.93 | 401 reads | |
| #18 |  La vieja guardia
| 4 | 6 reads | |
| #19 |  El hombre demolido
| 3.5 | 2 reads | |
| #20 |  They’d rather be right
| 2.25 | 4 reads | |
| #21 |  Estrella doble
| 0 | 0 reads | |
| #22 |  Un caso de conciencia
| 2 | 1 read | |
| #23 |  Cántico por Leibowitz
| 5 | 1 read | |
| #24 |  Stranger in a Strange Land
| 3.68 | 369 reads | |
| #25 |  El hombre en el castillo
| 2.75 | 4 reads | |
| #26 |  Estación de Tránsito
| 4 | 2 reads | |
| #27 |  El planeta errante El planeta errante
| 0 | 0 reads | |
| #28 |  Tú, el inmortal
| 4 | 1 read | |
| #30 |  El Señor de la Luz
| 4 | 1 read | |
| #31 |  Stand on Zanzibar
| 3.74 | 33 reads | |
| #32 |  La mano izquierda de la oscuridad
| 4.6 | 6 reads | |
| #33 |  Ringworld
| 3.67 | 279 reads | |
| #34 |  To Your Scattered Bodies Go
| 0 | 0 reads | |
| #35 |  The Gods Themselves
| 3.91 | 110 reads | |
| #36 |  The Dispossessed
| 4.17 | 320 reads | |
| #37 |  Where Late The Sweet Birds Sang
| 3.29 | 24 reads | |
| #38 |  Serpiente del sueño
| 0 | 0 reads | |
| #39 |  The Fountains of Paradise
| 3.73 | 42 reads | |
| #40 |  La reina de la nieve
| 0 | 0 reads | |
| #41 |  La estación Downbelow
| 4 | 1 read | |
| #42 |  Ender's Game
| 4.26 | 1,686 reads | |
| #43 |  Sundiver
| 3.29 | 51 reads | |
| #44 |  Speaker for the Dead
| 4.11 | 517 reads | |
| #45 |  Cyteen
| 3.39 | 28 reads | |
| #46 |  Hyperion
| 4.27 | 695 reads | |
| #48 |  A Fire Upon the Deep
| 4.01 | 213 reads | |
| #49 |  Doomsday Book
| 3.79 | 185 reads | |
| #50 |  Marte rojo
| 4 | 2 reads | |
| #51 |  The Diamond Age: or, A Young Lady's Illustrated Primer
| 3.99 | 205 reads | |
| #52 |  Forever Peace
| 3.54 | 44 reads | |
| #53 |  To Say Nothing of the Dog
| 4.14 | 103 reads | |
| #54 |  Hominids
| 3.26 | 26 reads | |
| #55 |  Spin
| 4.04 | 142 reads | |
| #56 |  Rainbows End
| 3.44 | 49 reads | |
| #57 |  The Three-Body Problem
| 3.92 | 1,379 reads | |
| #58 |  Ancillary Justice
| 3.99 | 464 reads | |
| #59 |  The Yiddish Policemen's Union
| 3.6 | 109 reads | |
| #60 |  La chica mecánica
| 5 | 1 read | |
| #61 |  Blackout
| 3.62 | 51 reads | |
| #62 |  El granjero de las estrellas
| 4 | 1 read | |
| #63 |  Abaddon's Gate
| 4.19 | 586 reads | |
| #64 |  Embassytown
| 3.81 | 105 reads | |
| #65 |  All Clear
| 4.03 | 40 reads | |
| #66 |  Boneshaker
| 3.33 | 117 reads | |
| #67 |  Anathem
| 4.21 | 230 reads | |
| #68 |  The Medusa Chronicles
| 3.63 | 9 reads | |
| #69 |  Humans
| 3.29 | 15 reads | |
| #70 |  Hybrids
| 3.33 | 10 reads | |
| #71 |  Accelerando
| 3.62 | 68 reads | |
| #72 |  The System of the World
| 4.34 | 65 reads | |
| #73 |  Ilium
| 3.86 | 89 reads | |
| #74 |  The Years of Rice and Salt
| 3.52 | 43 reads | |
| #75 |  Passage
| 3.64 | 18 reads | |
| #76 |  The Telling
| 3.69 | 15 reads | |
| #77 |  Cryptonomicon
| 4.27 | 302 reads | |
| #78 |  The Postman
| 3.5 | 64 reads | |
| #79 |  The Many-Coloured Land
| 3.87 | 17 reads | |
| #80 |  Titan
| 3.67 | 18 reads | |
| #81 |  The Space Machine
| 3 | 1 read | |
| #82 |  Asimov's Mysteries
| 3 | 7 reads | |
| #83 |  Nemesis
| 3.67 | 42 reads | |
| #84 |  Descender, Vol. 1: Tin Stars
| 4.13 | 61 reads | |
| #85 |  Annihilation
| 3.66 | 778 reads | |
| #86 |  Gateway
| 3.87 | 136 reads | |
| #87 |  A Song for Lya A Song for Lya: And Other Stories
| 5 | 1 read | |
| #88 |  1984
| 4.2 | 3,444 reads | |
| #89 |  The City and the Stars
| 3.8 | 65 reads | |
| #90 |  Dauntless
| 3.7 | 70 reads | |
| #91 |  El fin de la infancia
| 3.33 | 3 reads | |
| #92 |  City
| 4.17 | 34 reads | |
| #93 |  Fuzzy Nation
| 4.11 | 112 reads | |
| #94 |  Orphanage
| 3.33 | 6 reads | |
| #95 |  Brightness Reef
| 4.07 | 19 reads | |
| #96 |  Remake
| 3 | 3 reads | |
| #97 |  Islands in the Sky
| 3.75 | 7 reads | |
| #98 |  The Sands of Mars
| 3.2 | 12 reads | |
| #99 |  The Wind From the Sun
| 3.5 | 4 reads | |
| #100 |  The Songs of Distant Earth
| 3.83 | 34 reads | |
| #101 |  Earthlight
| 3.75 | 7 reads | |
| #102 |  Sandkings
| 4.25 | 25 reads | |
| #103 |  Los clanes de la luna Alfana
| 3 | 1 read | |
| #105 |  Stories of Your Life and Others
| 4.28 | 385 reads |