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by Andre NortonPaperback details (UK). details (USA). details (Germany). details (Canada). ISBN: 978-0-14-047083-3 ISBN-10: 0-14-047083-2 Penguin · 1976 |
| See also: | ||
| 1987 | Paperback | The Crystal Gryphon (Puffin Books) |
| 1985 | Mass Market Paperback | The Crystal Gryphon |