20th Century Lists 21st Century Lists
The Martian Chronicles  94% (17/18) Dune  96% (24/25)
A Canticle for Leibowitz  94% (15/16) A Canticle for Leibowitz  96% (22/23)
Dune  94% (15/16) The Left Hand of Darkness  91% (30/33)
More Than Human  88% (15/17) Nineteen Eighty-Four  91% (20/22)
The Left Hand of Darkness  87% (13/15) Childhood's End  86% (19/22)
Childhood's End  82% (14/17) The Hitchhiker's Guide to the Galaxy  86% (19/22)
The Demolished Man  82% (14/17) The War of the Worlds  86% (18/21)
The Stars My Destination  81% (13/16) Ender's Game  84% (21/25)
Stand on Zanzibar  80% (12/15) The Forever War  84% (21/25)
The Foundation Trilogy  78% (14/18) Neuromancer  84% (21/25)
Timescape  78% (7/9) Ringworld  84% (21/25)
Nineteen Eighty-Four  74% (14/19) Fahrenheit 451  83% (19/23)
The Dispossessed  73% (11/15) The Foundation Trilogy  82% (18/22)
Mission of Gravity  71% (12/17) Rendezvous with Rama  81% (22/27)
The Space Merchants  71% (12/17) The Dispossessed  81% (26/32)
The Man in the High Castle  69% (11/16) The Time Machine  81% (17/21)
The Book of the New Sun  67% (6/9) Hyperion  80% (20/25)
Neuromancer  67% (6/9) Stranger in a Strange Land  79% (19/24)
Ringworld  67% (10/15) Flowers for Algernon  78% (18/23)
Gateway  64% (7/11) The Man in the High Castle  78% (18/23)
Last and First Men  63% (12/19) Starship Troopers  78% (18/23)
A Case of Conscience  63% (10/16) The Handmaid's Tale  78% (25/32)
Flowers for Algernon  63% (10/16) Brave New World  77% (17/22)
The Moon is a Harsh Mistress  63% (10/16) Do Androids Dream of Electric Sheep?  77% (17/22)
Stranger in a Strange Land  63% (10/16) The Stars My Destination  77% (17/22)
Way Station  63% (10/16) Frankenstein  77% (20/26)
Hyperion  60% (3/5) Doomsday Book  76% (26/34)
The City and the Stars  59% (10/17) Red Mars  76% (19/25)
Brave New World  58% (11/19) The Demolished Man  74% (17/23)
The Time Machine  58% (11/19) Lord of Light  74% (17/23)
City  56% (10/18) The Martian Chronicles  73% (16/22)
Dying Inside  53% (8/15) Snow Crash  73% (16/22)
Lord of Light  53% (8/15) Solaris  73% (16/22)
Rendezvous with Rama  53% (8/15) A Fire Upon the Deep  71% (17/24)
To Your Scattered Bodies Go  53% (8/15) Gateway  70% (19/27)
Fahrenheit 451  53% (9/17) The Road  68% (13/19)
Star Maker  53% (10/19) The Moon is a Harsh Mistress  67% (16/24)
A Clockwork Orange  50% (8/16) The Book of the New Sun  65% (17/26)
The Forever War  50% (7/14) The Diamond Age  64% (16/25)
Earth Abides  47% (9/19) A Clockwork Orange  64% (14/22)
The War of the Worlds  47% (9/19) The Day of the Triffids  64% (14/22)
Pavane  47% (7/15) Earth Abides  64% (14/22)
Solaris  47% (7/15) Ubik  64% (14/22)
Tau Zero  47% (7/15) The Windup Girl  64% (14/22)
No Enemy But Time  44% (4/9) The Female Man  62% (18/29)
Startide Rising  44% (4/9) The Gods Themselves  60% (15/25)
The Sirens of Titan  44% (7/16) Stand on Zanzibar  60% (15/25)
Starship Troopers  44% (7/16) 2001: A Space Odyssey  59% (13/22)
Adventures in Time and Space  42% (8/19) Cat's Cradle  59% (13/22)
Frankenstein  42% (8/19) I, Robot  59% (13/22)
Lest Darkness Fall  42% (8/19) Slaughterhouse-Five  59% (13/22)
Slan  42% (8/19) Speaker for the Dead  58% (15/26)
The World of Null-A  42% (8/19) The Sparrow  56% (19/34)
Cyteen  40% (2/5) The Caves of Steel  55% (12/22)
The Fifth Head of Cerberus  40% (6/15) The Hunger Games  54% (13/24)
A Fire Upon the Deep  40% (2/5) Startide Rising  54% (14/26)
Red Mars  40% (2/5) A Wrinkle in Time  54% (15/28)
Snow Crash  40% (2/5) Old Man's War  53% (10/19)
Blood Music  38% (3/8) Twenty Thousand Leagues Under the Sea  52% (11/21)
The Crystal World  38% (6/16) Way Station  52% (12/23)
Ender's Game  38% (3/8) Ancillary Justice  50% (11/22)
Hothouse  38% (6/16) City  50% (11/22)
Rogue Moon  38% (6/16) Consider Phlebas  50% (11/22)
The Humanoids  37% (7/19) More Than Human  50% (11/22)
A Princess of Mars  37% (7/19) A Princess of Mars  50% (11/22)
Dhalgren  36% (5/14) The Sirens of Titan  50% (11/22)
The Female Man  36% (5/14) A Deepness in the Sky  48% (12/25)
Double Star  35% (6/17) Babel-17  48% (11/23)
Camp Concentration  33% (5/15) To Your Scattered Bodies Go  48% (11/23)
Dangerous Visions  33% (5/15) Timescape  46% (12/26)
Do Androids Dream of Electric Sheep?  33% (5/15) The City and the Stars  45% (10/22)
Downbelow Station  33% (3/9) Dhalgren  45% (10/22)
I, Robot  33% (6/18) I Am Legend  45% (10/22)
The Mote in God's Eye  33% (5/15) The Mote in God's Eye  45% (10/22)
Rite of Passage  33% (5/15) The Player of Games  45% (10/22)
Ubik  33% (5/15) Roadside Picnic  45% (10/22)
Odd John  32% (6/19) We  45% (10/22)
Out of the Silent Planet  32% (6/19) The Fall of Hyperion  44% (11/25)
Cat's Cradle  31% (5/16) The Snow Queen  44% (14/32)
The Door into Summer  31% (5/16) The Invisible Man  43% (9/21)
The Drowned World  31% (5/16) The Island of Doctor Moreau  43% (9/21)
The Hitchhiker's Guide to the Galaxy  30% (3/10) Journey to the Center of the Earth  43% (9/21)
The Caves of Steel  29% (5/17) Cyteen  42% (14/33)
The Day of the Triffids  28% (5/18) Altered Carbon  42% (10/24)
2001: A Space Odyssey  27% (4/15) Grass  41% (12/29)
Cities in Flight  27% (4/15) Blood Music  41% (9/22)
The Gods Themselves  27% (4/15) The Drowned World  41% (9/22)
Slaughterhouse-Five  27% (4/15) Last and First Men  41% (9/22)
Twenty Thousand Leagues Under the Sea  26% (5/19) Mission of Gravity  41% (9/22)
We  26% (5/19) China Mountain Zhang  41% (13/32)
Babel-17  25% (4/16) The Fountains of Paradise  40% (10/25)
The Diamond Age  25% (1/4) Helliconia Spring  40% (10/25)
This Immortal  25% (4/16) Barrayar  39% (13/33)
The Illustrated Man  22% (4/18) Dragonflight  39% (11/28)
The Island of Doctor Moreau  21% (4/19) A Case of Conscience  39% (9/23)
Journey to the Center of the Earth  21% (4/19) A Scanner Darkly  39% (9/23)
R.U.R.  21% (4/19) From the Earth to the Moon  38% (8/21)
Doomsday Book  20% (1/5) Ammonite  38% (12/32)
Dreamsnake  20% (2/10) Downbelow Station  37% (11/30)
The Einstein Intersection  20% (3/15) Dying Inside  36% (8/22)
The Fall of Hyperion  20% (1/5) The End of Eternity  36% (8/22)
Her Smoke Rose Up Forever  20% (1/5) Star Maker  36% (8/22)
Parable of the Sower  20% (1/5) The Postman  36% (9/25)
The Player of Games  20% (1/5) Kindred  36% (10/28)
Roadside Picnic  20% (3/15) The Time Traveler's Wife  36% (10/28)
Synners  20% (1/5) A Door into Ocean  35% (11/31)
A Scanner Darkly  18% (2/11) Where Late the Sweet Birds Sang  35% (11/31)
A Connecticut Yankee in King Arthur's Court  16% (3/19) The Einstein Intersection  35% (8/23)
From the Earth to the Moon  16% (3/19) The Lathe of Heaven  34% (10/29)
A Door into Ocean  14% (1/7) To Say Nothing of the Dog  34% (11/32)
Dragonflight  13% (2/15) A Connecticut Yankee in King Arthur's Court  33% (7/21)
The Handmaid's Tale  13% (1/8) The Illustrated Man  32% (7/22)
The Postman  13% (1/8) Out of the Silent Planet  32% (7/22)
A Wrinkle in Time  13% (2/16) The Space Merchants  32% (7/22)
The End of Eternity  12% (2/17) Dreamsnake  31% (10/32)
I Am Legend  12% (2/17) Her Smoke Rose Up Forever  31% (9/29)
Helliconia Spring  11% (1/9) Parable of the Sower  31% (9/29)
The Fountains of Paradise  10% (1/10) Double Star  30% (7/23)
Where Late the Sweet Birds Sang  8% (1/13) Slan  30% (7/23)
The Lathe of Heaven  7% (1/15) No Enemy But Time  29% (7/24)
The Invisible Man  5% (1/19) Synners  29% (9/31)
Cities in Flight  27% (6/22)
Dangerous Visions  27% (6/22)
The Door into Summer  27% (6/22)
Odd John  27% (6/22)
R.U.R.  27% (6/22)
Tau Zero  27% (6/22)
This Immortal  26% (6/23)
Camp Concentration  23% (5/22)
The Crystal World  23% (5/22)
Rogue Moon  23% (5/22)
Rite of Passage  22% (5/23)
The Fifth Head of Cerberus  18% (4/22)
Hothouse  18% (4/22)
The Humanoids  18% (4/22)
Lest Darkness Fall  18% (4/22)
Pavane  18% (4/22)
Adventures in Time and Space  14% (3/22)
The World of Null-A  14% (3/22)