nwhyte his list of the Locus poll of 'best' SF and fantasy novels of the 20th and 21st centuries. Bold means I have read it, italic means I didn't finish it.Conclusion: I have read more SF than fantasy. Something has alienated me from mainstream SF over the past few years.
20th Century SF Novel:
1 Herbert, Frank: Dune (1965)
2 Card, Orson Scott: Ender's Game (1985)
3 Asimov, Isaac: The Foundation Trilogy (1953)
4 Simmons, Dan: Hyperion (1989)
5 Le Guin, Ursula K.: The Left Hand of Darkness (1969)
6 Adams, Douglas: The Hitchhiker's Guide to the Galaxy (1979)
7 Orwell, George: Nineteen Eighty-Four (1949)
8 Gibson, William: Neuromancer (1984)
9 Bester, Alfred: The Stars My Destination (1957)
10 Bradbury, Ray: Fahrenheit 451 (1953)
11 Heinlein, Robert A.: Stranger in a Strange Land (1961)
12 Heinlein, Robert A.: The Moon Is a Harsh Mistress (1966)
13 Haldeman, Joe: The Forever War (1974)
14 Clarke, Arthur C.: Childhood's End (1953)
15 Niven, Larry: Ringworld (1970)
16 Le Guin, Ursula K.: The Dispossessed (1974)
17 Bradbury, Ray: The Martian Chronicles (1950)
18 Stephenson, Neal: Snow Crash (1992)
19 Miller, Walter M. , Jr.: A Canticle for Leibowitz (1959)
20 Pohl, Frederik: Gateway (1977)
21 Heinlein, Robert A.: Starship Troopers (1959)
22 Dick, Philip K.: The Man in the High Castle (1962)
23 Zelazny, Roger: Lord of Light (1967)
24 Wolfe, Gene: The Book of the New Sun (1983)
25 Lem, Stanislaw: Solaris (1970)
26 Dick, Philip K.: Do Androids Dream of Electric Sheep? (1968)
27 Vinge, Vernor: A Fire Upon The Deep (1992)
28 Clarke, Arthur C.: Rendezvous with Rama (1973)
29 Huxley, Aldous: Brave New World (1932)
30 Clarke, Arthur C.: 2001: A Space Odyssey (1968)
31 Vonnegut, Kurt: Slaughterhouse-Five (1969)
32 Strugatsky, Arkady & Boris: Roadside Picnic (1972)
33 Card, Orson Scott: Speaker for the Dead (1986)
34 Brunner, John: Stand on Zanzibar (1968)
35 Robinson, Kim Stanley: Red Mars (1992)
36 Niven, Larry (& Pournelle, Jerry): The Mote in God's Eye (1974)
37 Willis, Connie: Doomsday Book (1992)
38 Atwood, Margaret: The Handmaid's Tale (1985)
39 Sturgeon, Theodore: More Than Human (1953)
40 Simak, Clifford D.: City (1952)
41 Brin, David: Startide Rising (1983)
42 Asimov, Isaac: Foundation (1950)
43 Farmer, Philip Jose: To Your Scattered Bodies Go (1971)
44 Dick, Philip K.: Ubik (1969)
45 Vonnegut, Kurt: Cat's Cradle (1963)
46 Vinge, Vernor: A Deepness in the Sky (1999)
47 Simak, Clifford D.: Way Station (1963)
48 Wyndham, John: The Day of the Triffids (1951)
49/ Keyes, Daniel: Flowers for Algernon (1966)
49 Delany, Samuel R.: Dhalgren (1975)
20th Century Fantasy Novel:
1 Tolkien, J. R. R.: The Lord of the Rings (1955)
2 Martin, George R. R.: A Game of Thrones (1996)
3 Tolkien, J. R. R.: The Hobbit (1937)
4 Le Guin, Ursula K.: A Wizard of Earthsea (1968)
5 Zelazny, Roger: Nine Princes in Amber (1970)
6 Lewis, C. S.: The Lion, the Witch and the Wardrobe (1950)
7 Mieville, China: Perdido Street Station (2000)
8 Rowling, J. K.: Harry Potter and the Philosopher's Stone (1997)
9 Crowley, John: Little, Big (1981)
10 Adams, Richard: Watership Down (1972)
11 Goldman, William: The Princess Bride (1973)
12 Martin, George R. R.: A Storm of Swords (2000)
13 Beagle, Peter S.: The Last Unicorn (1968)
14 White, T. H.: The Once and Future King (1958)
15 Pratchett, Terry (& Gaiman, Neil): Good Omens (1990)
16 Kay, Guy Gavriel: Tigana (1990)
17 Gaiman, Neil: Neverwhere (1996)
18 Wolfe, Gene: The Book of the New Sun (1983)
19 Vance, Jack: The Dying Earth (1950)
20 Bulgakov, Mikhail: The Master and Margarita (1967)
21 Rowling, J. K.: Harry Potter and the Goblet of Fire (2000)
22 Tolkien, J. R. R.: The Silmarillion (1977)
23 Leiber, Fritz: The Swords of Lankhmar (1968)
24 Jordan, Robert: The Eye of the World (1990)
25 Donaldson, Stephen R.: Lord Foul's Bane (1977)
26 Bradbury, Ray: Something Wicked This Way Comes (1962)
27 Peake, Mervyn: Gormenghast (1950)
28 Rowling, J. K.: Harry Potter and the Prisoner of Azkaban (1999)
29 Powers, Tim: The Anubis Gates (1983)
30 Martin, George R. R.: A Clash of Kings (1998)
31 Bradley, Marion Zimmer: The Mists of Avalon (1983)
32 Hobb, Robin: Assassin's Apprentice (1995)
33 Pratchett, Terry: The Colour of Magic (1983)
34 Holdstock, Robert: Mythago Wood (1984)
35 King, Stephen: The Stand (1978)
36/ L'Engle, Madeleine: A Wrinkle in Time (1962)
36 Pratchett, Terry: Small Gods (1992)
38 Ende, Michael: The Neverending Story (1983)
39 Peake, Mervyn: Titus Groan (1946)
40 Howard, Robert E.: Conan the Barbarian (1950)
41 McCaffrey, Anne: Dragonflight (1968)
42 Orwell: George: Animal Farm (1945)
43 Feist, Raymond E.: Magician (1982)
44 Silverberg, Robert: Lord Valentine's Castle (1980)
45 Lovecraft, H. P.: At the Mountains of Madness (1936)
46 Swanwick, Michael: The Iron Dragon's Daughter (1993)
47 King, Stephen: The Shining (1977)
48 Garcia Marquez, Gabriel: One Hundred Years of Solitude (1970)
49 Saint-Exupery, Antoine de: The Little Prince (1943)
50 Hughart, Barry: Bridge of Birds (1984)
21st Century SF Novel:
1 Scalzi, John: Old Man's War (2005)
2 Stephenson, Neal: Anathem (2008)
3 Bacigalupi, Paolo: The Windup Girl (2009)
4 Wilson, Robert Charles: Spin (2005)
5 Watts, Peter: Blindsight (2006)
6 Morgan, Richard: Altered Carbon (2002)
7 Collins, Suzanne: The Hunger Games (2008)
8 Gibson, William: Pattern Recognition (2003)
9 Mieville, China: The City & the City (2009)
10 Stross, Charles: Accelerando (2005)
11 Mitchell, David: Cloud Atlas (2004)
12 McDonald, Ian: River of Gods (2004)
13 McCarthy, Cormac: The Road (2006)
14 Harrison, M. John: Light (2002)
15* Willis, Connie: Black Out/All Clear (2010)
15* Chabon, Michael: The Yiddish Policemen's Union (2007)
21st Century Fantasy Novel:
1 Gaiman, Neil: American Gods (2001)
2 Clarke, Susanna: Jonathan Strange & Mr Norrell (2004)
3 Rothfuss, Patrick: The Name of the Wind (2007)
4 Mieville, China: The Scar (2002)
5 Martin, George R. R.: A Feast for Crows (2005)
6 Rowling, J. K.: Harry Potter and the Deathly Hallows (2007)
7 Bujold, Lois McMaster: The Curse of Chalion (2001)
8 Mieville, China: The City & the City (2009)
9 Fforde, Jasper: The Eyre Affair (2001)
10/ Bujold, Lois McMaster: Paladin of Souls (2003)
10 Pratchett, Terry: Night Watch (2002)
12 Gaiman, Neil: Coraline (2002)
13 Wolfe, Gene: The Wizard Knight (2004)
14 Pratchett, Terry: Going Postal (2004)
15/ Gaiman, Neil: The Graveyard Book (2008)
15 Lynch, Scott: The Lies of Locke Lamora (2006)