None but Man
Gordon R. Dickson
The Other Side of the Mirror
Jamie Sands
Detective Duarte Mysteries (1)
Fool's Gold
Chris Hechtl
Wandering Engineer (2)
Before Midnight
Rex Stout
Nero Wolfe (14)
Devices and Desires (Engineer Trilogy)
K. J. Parker
Engineer (1)
The Escapement (Engineer Trilogy)
Engineer (3)
Evil for Evil (Engineer Trilogy)
Engineer (2)