Young Flandry: The Technic Civilization Saga
Poul Anderson
Technic Civilization Saga (4)
Island in the Sea of Time
S. M. Stirling
Island in the Sea of Time (1)
The Blight of Blackridge
R P Dunwater
Marilia, the Warlord
Morgan Cole
Chrysathamere Trilogy (1)
Magician Prince
Curtis Cornett
The Magician Rebellion (3)