Pressure
Lee Harding
The Evidence
The Last Place on Earth
Jim Harmon
The Alchemist
Charles L. Harness
Conrad Patrick (1)
The Million Year Patent
The Ring of Ritornel
Probable Cause
Charley de Milo
Laurence M. Janifer
The K-Factor
Harry Harrison
Planet of the Damned
Brion Brandd (1)