The Crystal Mountain
Thomas M. Reid
The Empyrean Odyssey (3)
Crystal Nights
Greg Egan
The Crystal Palace
Phyllis Eisenstein
Book of Elementals (2)
The Crystal Seas
Roland J. Green
Richard Blade Adventures (16)
Crystal Singer
Anne McCaffrey
Crystal Singer (1)
The Crystal Skull
Ardath Mayhar
Crystal Soldier
Sharon Lee & Steve Miller
The Great Migration Duology (1)
The Crystal Sorcerers
William R. Forstchen & Greg Morrison
Wars of Heaven / Crystal Warriors (2)
The Crystal Spheres
David Brin
The Crystal Star
Vonda N. McIntyre
Star Wars (33)
The Crystal World
J. G. Ballard
The Crystals of Mida
Sharon Green
Jalav / Amazon Warrior (1)
Cube Root
David Langford
The Cube Root of Conquest
Rog Phillips
Cube Route
Piers Anthony
Xanth (27)
The Cuckoo Clock
Wesley Barefoot
Cuckoo's Egg
C. J. Cherryh
Age Of Exploration (3)
Cucumber Gravy
Susan Palwick
Cugel's Saga
Jack Vance
Dying Earth (3)