Paperback
ISBN: 978-0-00-691829-5
ISBN-10: 0-00-691829-8
HarperCollins Distribution Services · 1983
| See also: | ||
| 1989 | Paperback | Infinity Clue (The Hardy Boys #70) |
| 1981 | Paperback | The Infinity Clue (The Hardy Boys #70) |
| 1981 | Hardcover | The Infinity Clue (Hardy Boys Casefiles) |