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by Adam HallHardcover details (United Kingdom). details (United States). details (Germany). details (Canada). ISBN: 978-0-00-222428-4 ISBN-10: 0-00-222428-3 HarperCollins Publishers Ltd · 1979 |
| See also: | ||
| 1993 | Paperback | The Scorpion Signal |
| 1980 | Hardcover | The Scorpion Signal |