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by F. W. ArmstrongPaperback details (USA). details (UK). details (Germany). details (Canada). ISBN: 978-0-8125-2754-4 ISBN-10: 0-8125-2754-2 Tor Books · 1985 |
| See also (possibly by other authors): | ||
| 2008 | Paperback | Changing |
| 1985 | Mass Market Paperback | Changing |
| 1978 | Paperback | Changing |
| 1977 | Hardcover | Changing (English and Norwegian Edition) |
| 1971 | Paperback | Changing |