The award is given annually for "distinguished science fiction published in paperback original form in the U.S." and is sponsored by the Philadelphia Science Fiction Society.

2002
The Mount by Carol Emshwiller
Special citation: The Scar by China Mieville

2001
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2000
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1999
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1998
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1997
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1996
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1995
Headcrash by Bruce Bethke

1994
Growing Up Weightless by John M. Ford
Elvissey by Jack Womack

1993
Through the Heart by Richard Grant
Fire in the Mist by Holly Lisle

1992
King of Morning, Queen of Day by Ian McDonald

1991
Points of Departure by Pat Murphy

1990
Subterranean Gallery by Richard Paul Russo

1989
Four Hundred Billion Stars by Paul J. McAuley
Wetware by Rudy Rucker

1988
Strange Toys by Patricia Geary

1987
Homunculus by James P. Blaylock

1986
Dinner at Deviant's Palace by Tim Powers

1985
Neuromancer by William Gibson

1984
The Anubis Gates by Tim Powers

1983
Software by Rudy Rucker