via here. [http://bookstove.com/science-fiction/100-science-fiction-novels-everyone-should-read/]

• The Postman – David Brin
• The Uplift War – David Brin
• Neuromancer – William Gibson
• Foundation – Isaac Asimov
• Foundation and Empire – Isaac Asimov
• Second Foundation – Isaac Asimov
• I, Robot – Isaac Asimov
• The Long Tomorrow – Leigh Brackett
• Rogue Moon – Algis Budrys
• The Martian Chronicles – Ray Bradbury
• Fahrenheit 451 – Ray Bradbury
• Something Wicked This Way Comes – Ray Bradbury
• Childhood’s End – Arthur C. Clarke
• The City and the Stars – Arthur C. Clarke
• 2001: A Space Odyssey – Arthur C. Clarke
• Armor – John Steakley
• Imperial Stars – E. E. Smith
• Frankenstein – Mary Shelley
• Ender’s Game – Orson Scott Card
• Speaker for the Dead – Orson Scott Card
• Dune – Frank Herbert
• The Dosadi Experiment – Frank Herbert
• Journey Beyond Tomorrow – Robert Sheckley
• The Hitchhiker’s Guide to the Galaxy – Douglas Adams
• Do Androids Dream of Electric Sheep? – Philip K. Dick
• Valis – Philip K. Dick
• A Scanner Darkly – Philip K. Dick
• The Three Stigmata of Palmer Eldritch – Philip K. Dick
• 1984 – George Orwell
• Slaughterhouse Five – Kurt Vonnegut
• Cat’s Cradle – Kurt Vonnegut
• The War of the Worlds – H. G. Wells
• The Time Machine – H. G. Wells
• The Island of Doctor Moreau – H. G. Wells
• The Invisible Man – H. G. Wells
• A Canticle for Leibowitz – Walter M. Miller, Jr.
• Alas, Babylon – Pat Frank
• A Clockwork Orange – Anthony Burgess
• A Journey to the Center of the Earth – Jules Verne
• From the Earth to the Moon – Jules Verne
• Twenty Thousand Leagues Under the Sea – Jules Verne
• Old Man’s War – John Scalzi
• Nova Express – William S. Burroughs
• Ringworld – Larry Niven
• The Mote in God’s Eye – Larry Niven and Jerry Pournelle
• The Unreasoning Mask – Philip Jose Farmer
• To Your Scattered Bodies Go – Philip Jose Farmer
• Eon – Greg Bear
• Jurassic Park – Michael Crichton
• The Andromeda Strain – Michael Crichton
• Lightning – Dean Koontz
• The Stainless Steel Rat – Harry Harrison
• The Fifth Head of Cerebus – Gene Wolfe
• Nightside of the Long Sun – Gene Wolfe
• A Princess of Mars – Edgar Rice Burroughs
• Cryptonomicon – Neal Stephenson
• Snow Crash – Neal Stephenson
• The Stars My Destination – Alfred Bester
• Solaris – Stanislaw Lem
• Doomsday Book – Connie Wills
• Beserker – Fred Saberhagen
• Time Traveler’s Wife – Audrey Niffenegger
• The Word for World is Forest – Ursula K. LeGuin
• The Dispossessed – Ursula K. LeGuin
• Babel-17 – Samuel R. Delany
• Dhalgren – Samuel R. Delany
• Flowers for Algernon – Daniel Keyes
• The Forever War – Joe Haldeman
• Star King – Jack Vance
• The Killing Machine – Jack Vance
• Trullion: Alastor 2262 – Jack Vance
• Hyperion – Dan Simmons
• Starship Troopers – Robert A. Heinlein
• Stranger in a Strange Land – Robert A. Heinlein
• The Moon is a Harsh Mistress – Robert A. Heinlein
• A Wrinkle in Time – Madeleine L’Engle
• More Than Human – Theodore Sturgeon
• A Time of Changes – Robert Silverberg
• Gateway – Frederick Pohl
• Man Plus - Frederick Pohl
• The Day of the Triffids – John Wyndham
• Mission of Gravity – Hal Clement
• The Execution Channel – Ken Macleod
• Last and First Men – W. Olaf Stapledon
• Slan – A. E. van Vogt
• Out of the Silent Planet – C. S. Lewis
• They Shall Have Stars – James Blish
• Marooned in Realtime – Vernor Vinge
• A Fire Upon the Deep – Vernor Vinge
• The People Maker – Damon Knight
• The Giver – Lois Lowry
• The Handmaid’s Tale – Margaret Atwood
• Contact – Carl Sagan
• Atlas Shrugged – Ayn Rand
• The Fountainhead – Ayn Rand
• Battlefield Earth – L. Ron Hubbard
• A Connecticut Yankee in King Arthur’s Court – Mark Twain
• Little Brother – Cory Doctorow
• Invasion of the Body Snatchers – Jack Finney
• Planet of the Apes – Pierre Boulle