Dell 1976
Doubleday 1980
Xanadu 1992
Barne & Noble 1994
Severn House 1998
Daw 1998
Carrol & Graf 1999
Ibook 2004
We Can Remember It For You Wholesale
Ace 1967
Pocket Books 1968
Ace 1967
Ace 1967
Ballantine 1974
Doubleday 1967
Mentor Books 1979
Anthologies-8
The War With The Fnools
Ace 2000
Waterspider
War Games
Avo Nova 1992
Doubleday SFBC 1979
Penguin 1997
Thunder's Mouth Press, 2005