Callahan's Key
Spider Robinson
Callahan's (10)
Paladin
C. J. Cherryh
Bearing an hourglass
Piers Anthony
Incarnations of Immortality (2)
The Master of Heathcrest Hall
Galen Beckett
Mrs. Quent (3)
The Trilisk Supersedure
Michael McCloskey
Parker Interstellar Travels (3)
The Trilisk AI
Parker Interstellar Travels (2)
The Trilisk Ruins
Parker Interstellar Travels (1)