Derai (Ace Double H-77)
Subtitle: They sought eternal bliss on a planet of emotionless enigma
By: Cover and Illustration by Jeff Jones
Edition: Ace Double H-77
Publisher: Ace
Published: 1968
Place of publication: New York, New York, USA
Format: Paper back
Number of pages: 120
Copyright date: 1968
Notes: Other side has "The Singing Stones" by Juanita Coulson