Alternate Orbits (Ace Double)
A. Bertram Chandler
User Friendly
Spider Robinson
Paths not taken
Simon R. Green
Nightside (5)
Poor Man's Fight
Elliott Kay
Poor Man's Fight (1)
Hawk & Fisher
Hawk and Fisher (1)
Winner Takes All (Hawk and Fisher, No 2)
Hawk and Fisher (2)
Wolf in the Fold
Hawk and Fisher (4)