| # | Book Title | Author | |
|---|---|---|---|
| 1 | Brazilian Gold Mine Mystery | Adams, Andy | |
| 2 | Mystery of the Chinese Ring | Adams, Andy | |
| 3 | Hawaiian Sea Hunt Mystery | Adams, Andy | |
| 4 | Mystery of the Mexican Treasure | Adams, Andy | |
| 5 | African Ivory Mystery | Adams, Andy | |
| 6 | Alaska Ghost Glacier Mystery | Adams, Andy | |
| 7 | Mystery of the Ambush in India | Adams, Andy | |
| 8 | Mystery of the Caribbean Pearls | Adams, Andy | |
| 9 | Egyptian Scarab Mystery | Adams, Andy | |
| 10 | Mystery of the Tibetan Caravan | Adams, Andy | |
| 11 | British Spy Ring Mystery | Adams, Andy | |
| 12 | Mystery of the Arabian Stallion | Adams, Andy | |
| 13 | Mystery of the Alpine Pass | Adams, Andy |