Tom Swift and his electronic retroscope;
While on an expedition to the Yucatan, Tom Swift discovers records of a space armada that flew to the earth 3000 years ago.
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| Main Author: | |
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| Other Authors: | |
| Format: | Book |
| Language: | English |
| Published: |
New York,
Grosset & Dunlap
[1959]
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| Series: | Appleton, Victor, II. New Tom Swift, Jr., adventures
14 |
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