Publisher: Pan/Ballantine, UK

Binding: Paperback

Date of issue: 1974

Cover: Bob Pepper

Publisher’s series: Original Adult Fantasy

ISBN: 0330240579

Page count: 288

Additional material: Introduction by Loren Eiseley

Edition notes: This is a re-release (with a different ISBN) of the Ballantine, 1972 edition, but published as by Pan/Ballantine.