Ice Crown by Andre Norton ISBN-13: 9780451452481 ISBN-10: 0451452488 Publication Date: 5/1/1993 Edition: Reprint Publisher: Roc Paperback 4.15 x3.95 inches, 220 pages A young girl accompanies an expedition to a planet settled centuries before by colonists who were left there to develop as best they could after their minds were cleared of all previous memories. --------------------- Keli and Roane search for a legendary treasure that could destroy the powers-that-be on the planet Clio and free Clio's people, who have been implanted with false memories and conditioned to obey.