By Sarah Brennan, Harry Harrison
By Harry Harrison
By Brian Aldiss, Harry Harrison
By Harry Harrison, Marvin Minsky
By Harry Harrison, David Bischoff
By Harry Harrison, Harrison, Harry
By Harry Harrison, Jim Burns
By Ed. Stuart Gendall. Ray Bradbury, Fredric Brown, Gordon Dickson, Frank Herbert, Robert Silverberg, Carol Carr, Brian M Stableford, Philip Dunn, Harry Harrison, Richard Quarrie etc.
By Harry Harrison, Jack C Haldeman II