Not my list, but thought I'd share it. Actually, I agree with this one more than I've ever agreed with a list. Although, Science Fiction for me has to question, have the mind wander, even laugh at the paradox. # TITLE AUTHOR 1 Childhood's End Arthur C. Clarke 2 Foundation Isaac Asimov 3 Dune Frank Herbert 4 The Man in the High Castle Philip K. Dick 5 Starship Troopers Robert A. Heinlein 6 Valis Philip K. Dick 7 Frankenstein Mary Wollstonecraft Shelley 8 Gateway Frederik Pohl 9 Space Merchants Frederik Pohl 10 Earth Abides George R. Stewart 11 Cuckoo's Egg C.J. Cherryh 12 Star Surgeon James White 13 The Three Stigmata of Palmer Eldritch Philip K. Dick 14 Radix A. A. Attanasio 15 2001: A Space Odyssey Arthur C. Clarke 16 Ringworld Larry Niven 17 A Case of Conscience James Blish 18 Last and First Man Olaf Stapledon 19 The Day of the Triffids John Wyndham 20 Way Station Clifford D. 21 More Than Human Theodore Sturgeon 22 Gray Lensman E.E. "Doc" Smith 23 The Gods Themselves Isaac Asimov 24 The Left Hand of Darkness Ursula K. Le Guin 25 Behold the Man Michael Moorcock The rest of the list here: http://listsofbests.com/list/29/ I am only saddened that <i>Glory Season</i> didn't make it.