Seeker
Jack McDevitt
Alex Benedict (3)
Witch and Wombat
Carolyn Cushman
Spoils of War
Stein Willard & C. King & E. Robberts
Faded Luck
Mel Todd
The Chariots of Ra: Keys to the Dimensions
Kenneth Bulmer
Keys to the Dimensions (6)
The Hunters of Jundagai: Keys to the Dimensions Book 6
Keys to the Dimensions (5)
The Ships of Durostorum
Keys to the Dimensions (4)
The Wizards of Senchuria: Keys to the Dimensions
Keys to the Dimensions (3)
The Key to Irunium
Keys to the Dimensions (1)