Tower and the Hive
Anne McCaffrey
The Tower and the Hive (5)
Death and the Executioner
Roger Zelazny
The Door Through Space
Marion Zimmer Bradley
Elric: The Sleeping Sorceress
Michael Moorcock
Chronicles of the Last Emperor of Melnibone (3)
Exodus: The Ark
Paul Chafe
Ark (2)
Genesis
Ark (1)