Star of Danger
Marion Zimmer Bradley
Darkover (12)
Falcons of Narabedla
The Sword of Aldones
Darkover (16)
Something Wicked This Way Comes
Ray Bradbury
Green Town (1)
The Dueling Machine
Ben Bova
Star Watch / Watchmen (3)
Planet of the Apes
Pierre Boulle
Planet of the Apes (1)
The Face in the Frost
John Bellairs
Bored of the Rings
Henry N. Beard & Douglas C. Kenney
The Crystal World
J. G. Ballard
The Burning World