New York : HarperTrophy, 2000, ©1981.
243 pages : color illustrations, map ; 20 cm.
"Full-color collector's edition"--Cover.
Two English children undergo hair-raising adventures as they go on a search and rescue mission for the missing Prince Rilian, who is held captive in the underground kingdom of the Emerald Witch.
0064409457 (pbk.) : $7.95