You could join when there are only two books left- your opinion is still valid.
Orson Scott Card Ender's Game  (7)
Frank Herbert Dune  (7)
Douglas Adams Hitch Hiker's Guide to the Galaxy  (9 )
George Orwell 1984  (5)
Robert A Heinlein Stranger in a Strange Land   (6) 
Arthur C Clarke 2001: A Space Odyssey    (2)-1Isaac Asimov I, Robot     (5)
William Gibson Neuromancer      (7)
Robert A Heinlein Starship Troopers      (5)
Philip K Dick Do Androids Dream of Electric Sheep?    (7)
Aldous Huxley Brave New World     (5)
Robert A Heinlein The Moon is a Harsh Mistress   (5)
H G Wells The War of the Worlds   (6)   
Arthur C Clarke Childhood's End     (5)
Dan Simmons Hyperion    (9)
Ray Bradbury The Martian Chronicles   (5)   
Joe Haldeman The Forever War   (4)   
Kurt Vonnegut Slaughterhouse Five   (6) 
Daniel Keys Flowers For Algernon ( 10 )
Philip K Dick The Man in the High Castle  ( 10 )
Isaac Asimov The Caves of Steel  (5)
Frederik Pohl Gateway  ( 7 ) +1C.J. Cherryh Cyteen (
 
 Robert A Heinlein  Citizen of the Galaxy ( 10 ) 
China Mieville Perdido Street Station ( 8 )
Alfred Bester The Stars My Destination (7)
Alfred Bester The Demolished Man (6)
Stanislaw Lem The Cyberiad (5)
H G Wells The Time Machine    (0)
Orson Scott Card Speaker for the Dead   (0)
Neal Stephenson Snow Crash    (0)
Ursula K Le Guin The Left Hand of Darkness   (0)
Ray Bradbury Fahrenheit 451   (0)
Arthur C Clarke Rendezvous With Rama    (0)
Larry Niven Ringworld      (0)
Isaac Asimov Foundation  (0)