Time Traders
Andre Norton
Time Traders/Ross Murdock (1)
Galactic Derelict
Time Traders/Ross Murdock (2)
The Defiant Agents
Time Traders/Ross Murdock (3)
Time Traders II
Key Out of Time
Time Traders/Ross Murdock (4)
Firehand
Andre Norton & P. M. Griffin
Time Traders/Ross Murdock (5)
Atlantis Endgame
Andre Norton & Sherwood Smith
Time Traders/Ross Murdock (7)
Echoes in Time
Time Traders/Ross Murdock (6)