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.
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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.