Orbit paperback, 1988 reprint. Cover artist uncredited. "LIMITS. Two aliens fascinated by Man's fondness for defining bounda...

Granada / Triad paperback, 1983. Cover illustration by Tom Gill. "The great drama of life on Helliconia is shaped by its cosmic ...

Star paperback, 1982. Cover painting by Attila Hejja. "They were in deep space, past the point of no return, when the saboteur s...

Mandarin paperback, 1990. Cover illustration by Michael Whelan. "They named him Thorn. They told him he was of their people but ...

Cover painting by William Rembach.

Cover painting by Howard Browne.

Cover painting by Clarence Doore.

Cover painting by Mel Hunter.

Cover painting by Clarence Doore.

Cover painting by Mel Hunter.

Cover painting by Art Sussman. Interior artwork by Virgil Finlay, for Robert Sheckley's Beside Still Waters .

Cover painting by L. R. (Leo) Summers.

Orbit paperback, 1980. Cover by Tim White. "A small group of human colonists are engaged in a desperate struggle for survival.  ...

Orbit paperback, 1981. Cover by Tim White. "A PSYCHIC PARASITE WHO HIJACKS PERSONALITIES.   A COUPLE WHO DISCOVER THE HOUSE OF...

NEL paperback, 1978. Cover artist uncredited. "Europe in the twenty-first century is a stricken continent.   Cities crumble wi...