Puzzle For Wantons, by Patrick Quentin (Consul, 1965).From Ebay.
A Puzzle For Fools, by Patrick Quentin (Four Square, 1961).From
The Davidian Report, by Dorothy B. Hughes (Pyramid, 1952).From
Ice & Iron, by Wilson Tucker (Ballantine, 1975).From a second-hand
Our Man In Space, by Bruce W. Roland (Ace, 1965).From a second-hand
Ultimatum In 2050 A.D., by Jack Sharkey (Ace, 1965).From a second-hand