| #2 |  Foundation
| 3.99 | 1,437 reads | |
| #3 |  The End of Eternity
| 4.18 | 165 reads | |
| #4 |  Foundation and Earth
| 3.82 | 291 reads | |
| #5 |  Foundation and Empire
| 4.04 | 699 reads | |
| #6 |  Foundation's edge
| 3.99 | 353 reads | |
| #7 |  Second Foundation
| 4.15 | 621 reads | |
| #8 |  Dune Messiah
| 3.78 | 1,284 reads | |
| #9 |  Forward the Foundation
| 4.01 | 201 reads | |
| #11 |  Dune
| 4.29 | 3,609 reads | |
| #12 |  Los viejos salvajes Los viejos salvajes
| 3 | 1 read | |
| #13 |  Starship Troopers
| 3.74 | 540 reads | |
| #14 |  The Martian Chronicles
| 3.99 | 635 reads | |
| #15 |  Fahrenheit 451
| 3.89 | 3,074 reads | |
| #16 |  La Cruzada de Liberty
| 4 | 6 reads | |
| #17 |  Rendezvous with Rama
| 3.95 | 574 reads | |
| #18 |  Old Man's War
| 4.13 | 907 reads | |
| #19 |  El hombre demolido
| 3.5 | 2 reads | |
| #20 |  They’d rather be right
| 2.43 | 7 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
| 3.67 | 537 reads | |
| #25 |  El hombre en el castillo
| 3.25 | 11 reads | |
| #26 |  Estación de Tránsito
| 4.33 | 3 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
| 3.6 | 45 reads | |
| #32 |  La mano izquierda de la oscuridad
| 4.22 | 11 reads | |
| #33 |  Ringworld
| 3.62 | 406 reads | |
| #34 |  To Your Scattered Bodies Go
| 0 | 0 reads | |
| #35 |  The Gods Themselves
| 3.9 | 168 reads | |
| #36 |  The Dispossessed
| 4.21 | 490 reads | |
| #37 |  Where Late The Sweet Birds Sang
| 3.48 | 33 reads | |
| #38 |  Serpiente del sueño
| 0 | 0 reads | |
| #39 |  The Fountains of Paradise
| 3.72 | 71 reads | |
| #40 |  La reina de la nieve
| 0 | 0 reads | |
| #41 |  La estación Downbelow
| 4 | 1 read | |
| #42 |  Ender's Game
| 4.26 | 2,396 reads | |
| #43 |  Sundiver
| 3.34 | 77 reads | |
| #44 |  Speaker for the Dead
| 4.13 | 780 reads | |
| #45 |  Cyteen
| 3.59 | 33 reads | |
| #46 |  Hyperion
| 4.27 | 1,006 reads | |
| #48 |  A Fire Upon the Deep
| 3.95 | 302 reads | |
| #49 |  Doomsday Book
| 3.83 | 248 reads | |
| #50 |  Marte rojo
| 4 | 2 reads | |
| #51 |  The Diamond Age
| 4.06 | 330 reads | |
| #52 |  Forever Peace
| 3.29 | 69 reads | |
| #53 |  To Say Nothing of the Dog
| 4.16 | 154 reads | |
| #54 |  Hominids
| 3.39 | 39 reads | |
| #55 |  Spin
| 4.04 | 200 reads | |
| #56 |  Rainbows End
| 3.36 | 76 reads | |
| #57 |  The Three-Body Problem
| 3.94 | 2,045 reads | |
| #58 |  Ancillary Justice
| 3.99 | 678 reads | |
| #59 |  The Yiddish Policemen's Union
| 3.67 | 170 reads | |
| #60 |  La chica mecánica
| 4.33 | 3 reads | |
| #61 |  Blackout
| 3.59 | 75 reads | |
| #62 |  El granjero de las estrellas
| 4 | 1 read | |
| #63 |  Abaddon's Gate
| 4.2 | 885 reads | |
| #64 |  Embassytown
| 3.83 | 164 reads | |
| #65 |  All Clear
| 3.88 | 61 reads | |
| #66 |  Boneshaker
| 3.32 | 172 reads | |
| #67 |  Anathem
| 4.14 | 331 reads | |
| #68 |  The Medusa Chronicles
| 3.77 | 14 reads | |
| #69 |  Humans
| 3.6 | 24 reads | |
| #70 |  Hybrids
| 3.5 | 20 reads | |
| #71 |  Accelerando
| 3.55 | 116 reads | |
| #72 |  The System of the World
| 4.22 | 101 reads | |
| #73 |  Ilium
| 3.8 | 128 reads | |
| #74 |  The Years of Rice and Salt
| 3.57 | 63 reads | |
| #75 |  Passage
| 3.59 | 21 reads | |
| #76 |  The Telling
| 3.93 | 25 reads | |
| #77 |  Cryptonomicon
| 4.24 | 468 reads | |
| #78 |  The Postman
| 3.54 | 97 reads | |
| #79 |  The Many-Coloured Land
| 3.93 | 27 reads | |
| #80 |  Titan
| 3.66 | 34 reads | |
| #81 |  The Space Machine
| 3 | 1 read | |
| #82 |  Asimov's Mysteries
| 3.25 | 7 reads | |
| #83 |  Nemesis
| 3.66 | 62 reads | |
| #84 |  Descender, Vol. 1: Tin Stars
| 4.08 | 87 reads | |
| #85 |  Annihilation
| 3.72 | 1,144 reads | |
| #86 |  Gateway
| 3.9 | 186 reads | |
| #87 |  A Song for Lya A Song for Lya: And Other Stories
| 5 | 1 read | |
| #88 |  1984
| 4.21 | 5,097 reads | |
| #89 |  The City and the Stars
| 3.88 | 98 reads | |
| #90 |  Dauntless
| 3.66 | 144 reads | |
| #91 |  El fin de la infancia
| 3.83 | 6 reads | |
| #92 |  City
| 3.82 | 50 reads | |
| #93 |  Fuzzy Nation
| 4.12 | 171 reads | |
| #94 |  Orphanage
| 3.5 | 11 reads | |
| #95 |  Brightness Reef
| 3.78 | 39 reads | |
| #96 |  Remake
| 3.4 | 8 reads | |
| #97 |  Islands in the Sky
| 3.89 | 14 reads | |
| #98 |  The Sands of Mars
| 3.24 | 21 reads | |
| #99 |  The Wind From the Sun
| 3.4 | 9 reads | |
| #100 |  The Songs of Distant Earth
| 3.79 | 45 reads | |
| #101 |  Earthlight
| 3.63 | 12 reads | |
| #102 |  Sandkings
| 4.18 | 33 reads | |
| #103 |  Los clanes de la luna Alfana
| 3 | 1 read | |
| #105 |  Stories of Your Life and Others
| 4.27 | 566 reads |