Another Top-100 SFF Book List

Another list from SFSignal is the book list from Sci-Fi Lists. The top 50 of this 100 book list:

Frank Herbert; Dune
Orson Scott Card; Ender's Game
Isaac Asimov; Foundation
Douglas Adams; Hitch Hiker's Guide to the Galaxy
George Orwell; 1984
Robert A Heinlein; Stranger in a Strange Land
Aldous Huxley; Brave New World
Isaac Asimov; I, Robot
Ray Bradbury; Fahrenheit 451
Robert A Heinlein; Starship Troopers
William Gibson; Neuromancer
Arthur C Clarke; 2001: A Space Odyssey
Larry Niven; Ringworld
Philip K Dick; Do Androids Dream of Electric Sheep?
H G Wells; The Time Machine
Arthur C Clarke; Rendezvous With Rama
H G Wells; The War of the Worlds
Robert A Heinlein; The Moon is a Harsh Mistress
Dan Simmons; Hyperion
Arthur C Clarke; Childhood's End
Joe Haldeman; The Forever War
Kurt Vonnegut; Slaughterhouse Five
Orson Scott Card; Speaker for the Dead
Ray Bradbury; The Martian Chronicles
Niven & Pournelle; The Mote in God's Eye
Neal Stephenson; Snow Crash
Ursula K Le Guin; The Left Hand of Darkness
Orson Scott; Card Ender's Shadow, but I read the first 4 Ender books and liked them.
Isaac Asimov; The Caves of Steel
Roger Zelazny; Lord of Light This is one of those books I've started but never finished.
Madeleine L'Engle; A Wrinkle In Time
Frederik Pohl; Gateway
Jules Verne; 20,000 Leagues Under the Sea
Philip K Dick; The Man in the High Castle
Stanislaw Lem; Solaris
Robert A Heinlein; Time Enough For Love
John Wyndham; The Day of the Triffids
Isaac Asimov; The Gods Themselves
Michael Crichton; Jurassic Park, but I saw the movie. Does that count?
Alfred Bester; The Stars My Destination
Anthony Burgess; A Clockwork Orange
Neal Stephenson; Cryptonomicon
Daniel Keyes; Flowers for Algernon
Kurt Vonnegut; Cat's Cradle
Philip K Dick; UBIK
Mary Shelley; Frankenstein
Isaac Asimov; The End Of Eternity
Walter M Miller; A Canticle for Leibowitz
Vernor Vinge; A Fire Upon the Deep
Kim Stanley Robinson; Red Mars

I did pretty good with the top 50 of this list, having read the great majority of them. Ones I've read are in bold print.