Ender's Game by Orson Scott Card
Dune by Frank Herbert
Illium by Dan Simmons
Ringworld by Larry Niven
The Moon is a Harsh Mistress by Robert Heinlein
Speaker for the Dead by Orson Scott Card
Friday by Robert Heinlein
The Demolished Man by Alfred Bester
Old Man's War by John Scalzi
Neuromancer by William Gibson
Wetware by Rudy Rucker