Starship Troopers - Robert A. Heinlein
Cat's Cradle - Kurt Vonnegut
Lord of Light - Roger Zelazny
Helliconia - Aldiss, Brian
City - Clifford D. Simak
The Door into Summer - Robert A. Heinlein
Tau Zero - Poul Anderson
Time Out Of Joint - Philip K. Dick
Nova Swing - M. John Harrison
Barefoot in the Head - Brian Aldiss
Demolished Man - Bester, Alfred
The Complete Lyonesse (Suldrun's Garden, The Green Pearl, Madouc) - Jack Vance
Thirteen - Richard Morgan
The Gods Themselves - Isaac Asimov
To Say Nothing Of The Dog - Connie Willis
Dhalgren - Samuel R. Delany
The Stars My Destination - Alfred Bester
Sirius - Olaf Stapledon
Colossus - D. F. Jones
Stories of Mars - Edgar Rice Burroughs
