The Shield of Time
Poul Anderson
Time Patrol (4)
The Sword
S. M. Stirling
The General (5)
Chronos Warlock
Shami Stovall
The Chronos Chronicles (2)
Barking
Tom Holt
Red Reckoning (Yancy Lazarus Book 6)
James A. Hunter
Red Reckoning
Yancy Lazarus Series (6)