Best Science Fiction of the 20th Century

1.
1984
1984 4.20 avg rating — 5,226,450 ratings
2.
Fahrenheit 451
Fahrenheit 451 3.97 avg rating — 2,718,962 ratings
3.
Dune (Dune, #1)
Dune (Dune, #1) 4.28 avg rating — 1,570,330 ratings
4.
The Hitchhiker’s Guide to the Galaxy (The Hitchhiker's Guide to the Galaxy, #1)
The Hitchhiker’s Guide to the Galaxy (The Hitchhiker's Guide to the Galaxy, #1) 4.22 avg rating — 1,970,025 ratings
5.
The Foundation Trilogy (Foundation, #1-3)
The Foundation Trilogy (Foundation, #1-3) 4.42 avg rating — 107,101 ratings
6.
Brave New World
Brave New World 3.99 avg rating — 2,015,717 ratings
7.
Ender’s Game (Ender's Saga, #1)
Ender’s Game (Ender's Saga, #1) 4.31 avg rating — 1,449,760 ratings
8.
Do Androids Dream of Electric Sheep?
Do Androids Dream of Electric Sheep? 4.09 avg rating — 495,988 ratings
9.
The Handmaid’s Tale (The Handmaid's Tale, #1)
The Handmaid’s Tale (The Handmaid's Tale, #1) 4.15 avg rating — 2,323,212 ratings
10.
I, Robot (Robot, #0.1)
I, Robot (Robot, #0.1) 4.21 avg rating — 369,909 ratings
11.
Flowers for Algernon
Flowers for Algernon 4.23 avg rating — 763,620 ratings
12.
Animal Farm
Animal Farm 4.01 avg rating — 4,356,479 ratings
13.
2001: A Space Odyssey (Space Odyssey, #1)
2001: A Space Odyssey (Space Odyssey, #1) 4.17 avg rating — 330,500 ratings
14.
Hyperion (Hyperion Cantos, #1)
Hyperion (Hyperion Cantos, #1) 4.27 avg rating — 285,939 ratings
15.
The Martian Chronicles
The Martian Chronicles 4.16 avg rating — 279,643 ratings
16.
Slaughterhouse-Five
Slaughterhouse-Five 4.10 avg rating — 1,451,302 ratings
17.
The Moon Is a Harsh Mistress
The Moon Is a Harsh Mistress 4.15 avg rating — 136,877 ratings
18.
The Left Hand of Darkness
The Left Hand of Darkness 4.10 avg rating — 209,462 ratings
19.
Stranger in a Strange Land
Stranger in a Strange Land 3.92 avg rating — 323,283 ratings
20.
Solaris
Solaris 3.99 avg rating — 124,299 ratings
21.
Jurassic Park (Jurassic Park, #1)
Jurassic Park (Jurassic Park, #1) 4.12 avg rating — 1,031,592 ratings
22.
Starship Troopers
Starship Troopers 4.01 avg rating — 241,840 ratings
23.
Childhood’s End
Childhood’s End 4.12 avg rating — 170,000 ratings
24.
A Wrinkle in Time (A Wrinkle in Time Quintet, #1)
A Wrinkle in Time (A Wrinkle in Time Quintet, #1) 3.97 avg rating — 1,263,392 ratings
25.
The Caves of Steel (Robot, #1)
The Caves of Steel (Robot, #1) 4.19 avg rating — 109,410 ratings
26.
The Dispossessed: An Ambiguous Utopia
The Dispossessed: An Ambiguous Utopia 4.25 avg rating — 143,163 ratings
27.
Ringworld (Ringworld #1)
Ringworld (Ringworld #1) 3.94 avg rating — 127,131 ratings
28.
Watchmen
Watchmen 4.39 avg rating — 585,803 ratings
29.
Cat’s Cradle
Cat’s Cradle 4.15 avg rating — 428,390 ratings
30.
Neuromancer (Sprawl, #1)
Neuromancer (Sprawl, #1) 3.89 avg rating — 354,073 ratings
31.
The Forever War (The Forever War, #1)
The Forever War (The Forever War, #1) 4.14 avg rating — 176,932 ratings
32.
Snow Crash
Snow Crash 4.01 avg rating — 293,459 ratings
33.
Rendezvous with Rama (Rama, #1)
Rendezvous with Rama (Rama, #1) 4.12 avg rating — 179,279 ratings
34.
The Stand
The Stand 4.35 avg rating — 814,336 ratings
35.
The Restaurant at the End of the Universe (The Hitchhiker's Guide to the Galaxy, #2)
The Restaurant at the End of the Universe (The Hitchhiker's Guide to the Galaxy, #2) 4.20 avg rating — 309,591 ratings
36.
The Man in the High Castle
The Man in the High Castle 3.59 avg rating — 229,248 ratings
37.
A Canticle for Leibowitz
A Canticle for Leibowitz 3.99 avg rating — 116,704 ratings
38.
The Illustrated Man
The Illustrated Man 4.13 avg rating — 105,369 ratings
39.
The Day of the Triffids
The Day of the Triffids 4.01 avg rating — 115,100 ratings
40.
Speaker for the Dead (Ender's Saga, #2)
Speaker for the Dead (Ender's Saga, #2) 4.11 avg rating — 267,196 ratings
41.
Contact
Contact 4.15 avg rating — 150,001 ratings
42.
I Am Legend
I Am Legend 4.05 avg rating — 147,529 ratings
43.
The Lathe of Heaven
The Lathe of Heaven 4.13 avg rating — 84,209 ratings
44.
Doomsday Book (Oxford Time Travel, #1)
Doomsday Book (Oxford Time Travel, #1) 4.03 avg rating — 63,443 ratings
45.
The Stars My Destination
The Stars My Destination 4.06 avg rating — 54,397 ratings
46.
Dune Messiah (Dune Chronicles, #2)
Dune Messiah (Dune Chronicles, #2) 3.89 avg rating — 380,087 ratings
47.
A Clockwork Orange
A Clockwork Orange really liked it 4.00 avg rating — 753,924 ratings
48.
Something Wicked This Way Comes
Something Wicked This Way Comes 3.90 avg rating — 146,003 ratings
49.
Dragonflight (Dragonriders of Pern, #1)
Dragonflight (Dragonriders of Pern, #1) 4.08 avg rating — 142,186 ratings
50.
We
We 3.88 avg rating — 107,859 ratings
51.
The Mote in God's Eye (Moties, #1)
The Mote in God's Eye (Moties, #1) 4.07 avg rating — 72,231 ratings
52.
The Giver (The Giver, #1)
The Giver (The Giver, #1) 4.12 avg rating — 2,733,155 ratings
53.
Cryptonomicon
Cryptonomicon 4.23 avg rating — 115,698 ratings
54.
Time Enough for Love
Time Enough for Love 3.97 avg rating — 36,721 ratings
55.
The Call of Cthulhu
The Call of Cthulhu 4.02 avg rating — 115,389 ratings
56.
The Diamond Age: Or, a Young Lady's Illustrated Primer
The Diamond Age: Or, a Young Lady's Illustrated Primer 4.16 avg rating — 92,364 ratings
57.
Ubik
Ubik 4.11 avg rating — 118,741 ratings
58.
The Player of Games (Culture, #2)
The Player of Games (Culture, #2) 4.28 avg rating — 78,343 ratings
59.
Carrie
Carrie 3.99 avg rating — 813,714 ratings
60.
The City and the Stars
The City and the Stars 4.08 avg rating — 35,756 ratings
61.
The Naked Sun (Robot, #2)
The Naked Sun (Robot, #2) 4.19 avg rating — 61,746 ratings
62.
The Uplift War (The Uplift Saga, #3)
The Uplift War (The Uplift Saga, #3) 4.07 avg rating — 27,223 ratings
62.
Parable of the Sower (Earthseed, #1)
Parable of the Sower (Earthseed, #1) 4.20 avg rating — 238,953 ratings
64.
A Fire Upon the Deep (Zones of Thought, #1)
A Fire Upon the Deep (Zones of Thought, #1) 4.14 avg rating — 65,236 ratings
65.
Excession (Culture #5)
Excession (Culture #5) 4.20 avg rating — 33,414 ratings
66.
The Fall of Hyperion (Hyperion Cantos, #2)
The Fall of Hyperion (Hyperion Cantos, #2) 4.24 avg rating — 141,859 ratings
67.
Robots and Empire (Robot, #4)
Robots and Empire (Robot, #4) 4.23 avg rating — 35,480 ratings
68.
Red Mars (Mars Trilogy, #1)
Red Mars (Mars Trilogy, #1) 3.86 avg rating — 87,061 ratings
69.
The Sirens of Titan
The Sirens of Titan 4.15 avg rating — 153,675 ratings
70.
Out of the Silent Planet (The Space Trilogy, #1)
Out of the Silent Planet (The Space Trilogy, #1) 3.93 avg rating — 103,662 ratings
71.
The End of Eternity
The End of Eternity 4.24 avg rating — 60,794 ratings
72.
Lord of Light
Lord of Light 4.05 avg rating — 34,873 ratings
73.
To Say Nothing of the Dog (Oxford Time Travel, #2)
To Say Nothing of the Dog (Oxford Time Travel, #2) 4.11 avg rating — 43,400 ratings
74.
That Hideous Strength (The Space Trilogy, #3)
That Hideous Strength (The Space Trilogy, #3) 3.93 avg rating — 44,540 ratings
75.
A Scanner Darkly
A Scanner Darkly 4.03 avg rating — 108,213 ratings
76.
The Warrior's Apprentice (Vorkosigan Saga, #2)
The Warrior's Apprentice (Vorkosigan Saga, #2) 4.27 avg rating — 29,853 ratings
77.
The Gods Themselves
The Gods Themselves 4.09 avg rating — 67,334 ratings
78.
Citizen of the Galaxy
Citizen of the Galaxy 4.01 avg rating — 17,627 ratings
79.
Ender's Shadow (The Shadow Series, #1)
Ender's Shadow (The Shadow Series, #1) 4.32 avg rating — 177,986 ratings
80.
The Ship Who Sang (Brainship, #1)
The Ship Who Sang (Brainship, #1) 4.04 avg rating — 26,298 ratings
81.
Lucifer's Hammer
Lucifer's Hammer really liked it 4.00 avg rating — 45,031 ratings
82.
Babel-17
Babel-17 3.72 avg rating — 19,540 ratings
83.
The First Men in the Moon
The First Men in the Moon 3.66 avg rating — 18,112 ratings
84.
The Three Stigmata of Palmer Eldritch
The Three Stigmata of Palmer Eldritch 4.01 avg rating — 42,324 ratings
85.
Kindred
Kindred 4.31 avg rating — 258,331 ratings
86.
The Door Into Summer
The Door Into Summer 4.02 avg rating — 28,114 ratings
87.
Dawn (Xenogenesis, #1)
Dawn (Xenogenesis, #1) 4.15 avg rating — 60,535 ratings
88.
Foundation (Foundation, #1)
Foundation (Foundation, #1) 4.17 avg rating — 580,920 ratings
89.
The Chrysalids
The Chrysalids 3.93 avg rating — 60,781 ratings
90.
Mostly Harmless (Hitchhiker's Guide to the Galaxy, #5)
Mostly Harmless (Hitchhiker's Guide to the Galaxy, #5) 3.96 avg rating — 136,961 ratings
91.
To Your Scattered Bodies Go (Riverworld, #1)
To Your Scattered Bodies Go (Riverworld, #1) 3.93 avg rating — 33,364 ratings
92.
Life, the Universe and Everything (The Hitchhiker's Guide to the Galaxy, #3)
Life, the Universe and Everything (The Hitchhiker's Guide to the Galaxy, #3) 4.16 avg rating — 246,203 ratings
93.
The Snow Queen (The Snow Queen Cycle, #1)
The Snow Queen (The Snow Queen Cycle, #1) 3.94 avg rating — 13,071 ratings
94.
A Wind in the Door (A Wrinkle in Time Quintet, #2)
A Wind in the Door (A Wrinkle in Time Quintet, #2) 3.99 avg rating — 130,963 ratings
95.
Forward the Foundation (Foundation, #7)
Forward the Foundation (Foundation, #7) 4.16 avg rating — 60,165 ratings
95.
Use of Weapons (Culture, #3)
Use of Weapons (Culture, #3) 4.16 avg rating — 51,312 ratings
97.
Have Space Suit—Will Travel
Have Space Suit—Will Travel 3.93 avg rating — 31,060 ratings
98.
Flow My Tears, the Policeman Said
Flow My Tears, the Policeman Said 3.91 avg rating — 44,735 ratings
99.
The Sparrow (The Sparrow, #1)
The Sparrow (The Sparrow, #1) 4.14 avg rating — 80,281 ratings
100.
Planet of the Apes
Planet of the Apes 3.99 avg rating — 47,419 ratings
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