War in Heaven
David Zindell
A Requiem for Homo Sapiens (3)
At the Gates of Darkness
Raymond E. Feist
Riftwar Saga Reading Order (27)
Children of the Divide
Patrick S. Tomlinson
Children of a Dead Earth (3)
The Door Into Summer
Heinlein, Robert A.
Hadon of Ancient Opar
Philip Jose Farmer