Dragons of Eden
Carl Sagan
The Stainless Steel Rat Goes to Hell
Harry Harrison
Stainless Steel Rat (8)
Time Travellers Strictly Cash
Spider Robinson
Callahan's (2)
To Kill a Warlock
H. P. Mallory
Dulcie O'Neil (1)
Phule's Errand
Robert Asprin & Peter J. Heck
Phule's Company (6)