1. Ender's Game (Ender's Saga, #1) by Orson Scott Card
2. Dune (Dune Chronicles, #1) by Frank Herbert
3. 1984 by George Orwell
4. Brave New World by Aldous Huxley
5. Foundation (Foundation #1) by Isaac Asimov
6. A Wrinkle in Time (Time Quintet, #1) by Madeleine L'Engle
7. Fahrenheit 451 by Ray Bradbury
8. The Hunger Games (The Hunger Games, #1) by Suzanne Collins
9. The Giver by Lois Lowry
10. Slaughterhouse-Five by Kurt Vonnegut
11. Stranger in a Strange Land by Robert A. Heinlein
12. The Ultimate Hitchhiker's Guide to the Galaxy by Douglas Adams
13. Do Androids Dream of Electric Sheep? by Philip K. Dick
14. I, Robot (Robot, #0.1) by Isaac Asimov
15. Neuromancer (Sprawl, #1) by William Gibson
16. Hyperion (Hyperion Cantos, #1) by Dan Simmons
17. Animal Farm by George Orwell
18. Speaker for the Dead (Ender's Saga, #2) by Orson Scott Card
19. Snow Crash by Neal Stephenson
20. The Martian Chronicles by Ray Bradbury
21. The Stand by Stephen King
22. The Foundation Trilogy (Foundation, #1-3) by Isaac Asimov
23. The Handmaid's Tale by Margaret Atwood
24. Jurassic Park (Jurassic Park, #1) by Michael Crichton
25. Fahrenheit 451 by Ray Bradbury
26. 2001: A Space Odyssey (Space Odyssey, #1) by Arthur C. Clarke
27. The Time Machine by H.G. Wells
28. The Fellowship of the Ring (The Lord of the Rings, #1) by J.R.R. Tolkien
29. Starship Troopers by Robert A. Heinlein
30. Flowers for Algernon by Daniel Keyes
31. The Left Hand of Darkness (Hainish Cycle #6) by Ursula K. Le Guin
32. The Lord of the Rings (The Lord of the Rings, #1-3) by J.R.R. Tolkien
33. The War of the Worlds by H.G. Wells
34. Ender's Shadow (The Shadow Series, #1) by Orson Scott Card
35. Harry Potter and the Sorcerer's Stone (Harry Potter, #1) by J.K. Rowling
36. Cat's Cradle by Kurt Vonnegut
37. Childhood's End by Arthur C. Clarke
38. The Moon is a Harsh Mistress by Robert A. Heinlein
39. A Canticle for Leibowitz by Walter M. Miller Jr.
40. Rendezvous with Rama (Rama, #1) by Arthur C. Clarke
41. The Forever War (The Forever War, #1) by Joe Haldeman
42. The Name of the Wind (The Kingkiller Chronicle, #1) by Patrick Rothfuss
43. The Host (The Host, #1) by Stephenie Meyer
44. The Time Traveler's Wife by Audrey Niffenegger
45. Old Man's War (Old Man's War, #1) by John Scalzi
46. Dragonflight (Dragonriders of Pern, #1) by Anne McCaffrey
47. Ringworld by Larry Niven
48. Ready Player One (Ready Player One, #1) by Ernest Cline
49. Contact by Carl Sagan
50. Twenty Thousand Leagues Under the Sea (Extraordinary Voyages, #6) by Jules Verne
51. The Diamond Age: Or, A Young Lady's Illustrated Primer by Neal Stephenson
52. I Am Legend and Other Stories by Richard Matheson
53. The Dispossessed by Ursula K. Le Guin
54. The Sparrow (The Sparrow, #1) by Mary Doria Russell
55. World War Z: An Oral History of the Zombie War by Max Brooks
56. The Man in the High Castle by Philip K. Dick
57. Ubik by Philip K. Dick
58. The Hitchhiker's Guide to the Galaxy (Hitchhiker's Guide to the Galaxy, #1) by Douglas Adams
59. Frankenstein by Mary Wollstonecraft Shelley
60. Uglies (Uglies, #1) by Scott Westerfeld
61. The Andromeda Strain by Michael Crichton
62. Never Let Me Go by Kazuo Ishiguro
63. The Mote in God's Eye by Larry Niven
64. The Stars My Destination by Alfred Bester
65. Oryx and Crake (MaddAddam, #1) by Margaret Atwood
66. American Gods (American Gods, #1) by Neil Gaiman
67. Journey to the Center of the Earth (Extraordinary Voyages, #3) by Jules Verne
68. Second Foundation (Foundation #3) by Isaac Asimov
69. The Day of the Triffids by John Wyndham
70. Solaris by Stanisław Lem
71. Red Mars (Mars Trilogy, #1) by Kim Stanley Robinson
72. Doomsday Book (Oxford Time Travel, #1) by Connie Willis
73. The Sirens of Titan by Kurt Vonnegut
74. Timeline by Michael Crichton
75. The Illustrated Man by Ray Bradbury
76. The Fall of Hyperion (Hyperion Cantos, #2) by Dan Simmons
77. The Invisible Man by H.G. Wells
78. A Fire Upon the Deep (Zones of Thought, #1) by Vernor Vinge
79. The Hobbit by J.R.R. Tolkien
80. Xenocide (Ender's Saga, #3) by Orson Scott Card
81. Foundation and Empire (Foundation #2) by Isaac Asimov
82. The Two Towers (The Lord of the Rings, #2) by J.R.R. Tolkien
83. The Return of the King (The Lord of the Rings, #3) by J.R.R. Tolkien
84. A Scanner Darkly by Philip K. Dick
85. The Caves of Steel (Robot, #1) by Isaac Asimov
86. Anathem by Neal Stephenson
87. Flatland: A Romance of Many Dimensions by Edwin A. Abbott
88. To Say Nothing of the Dog (Oxford Time Travel, #2) by Connie Willis
89. The Lathe of Heaven by Ursula K. Le Guin
90. The Player of Games (Culture, #2) by Iain M. Banks
91. Gateway (Heechee Saga, #1) by Frederik Pohl
92. Altered Carbon (Takeshi Kovacs, #1) by Richard K. Morgan
93. Space Trilogy: Out of the Silent Planet / Perelandra / That Hideous Strength by C.S. Lewis
94. The Shadow of the Torturer (The Book of the New Sun #1) by Gene Wolfe
95. Barrayar (Vorkosigan Saga, #7) by Lois McMaster Bujold
96. Good Omens: The Nice and Accurate Prophecies of Agnes Nutter, Witch by Terry Pratchett
97. The Martian by Andy Weir
98. Kindred by Octavia E. Butler
99. Sphere by Michael Crichton
100. To Your Scattered Bodies Go (Riverworld, #1) by Philip José Farmer