Time Enough for Love
Robert A. Heinlein
The World as Myth (1)
No Blade of Grass
John Christopher
The Xaros Reckoning
Richard Fox
The Ember War Saga (9)
The Veils of Azlaroc
Fred Saberhagen
The Totems of Abydos
John Norman
Viscous Circle
Piers Anthony
Cluster (5)
Thousandstar
Cluster (4)
Kirlian Quest
Cluster (3)