by Franklin W. Dixon
Hardcover
ISBN: 978-0-671-42342-1
ISBN-10: 0-671-42342-8
Pocket Books · 1981
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by Franklin W. DixonHardcover
ISBN: 978-0-671-42342-1 ISBN-10: 0-671-42342-8 Pocket Books · 1981 |
| See also: | ||
| 1989 | Paperback | Infinity Clue (The Hardy Boys #70) |
| 1983 | Paperback | Infinity Clue (The Hardy boys mystery stories) |
| 1981 | Paperback | The Infinity Clue (The Hardy Boys #70) |