Clear and Present Danger
Tom Clancy
Jack Ryan (6)
Warlock of the Witch World
Andre Norton
Witch World: Estcarp Cycle (4)
Stealer's Sky
Lynn Abbey & Robert Asprin
Thieves' World (12)
The Icarus Twin
Timothy Zahn
The Icarus Saga (3)
Spin
J. Steven York & Christina F. York
Star Trek: Corps of Engineers (46)