| The Hardy Boys Part 1 |
1 |
1 |
|
| The Hardy Boys Part 2 |
1 |
2 |
|
| The Secret Warning |
1 |
3 |
|
| The Viking Symbol Mystery |
1 |
4 |
|
| The Secret of the Caves |
1 |
5 |
|
| The Secret of the Old Mill |
1 |
6 |
|
| The Missing Chums |
1 |
7 |
|
| The Mystery of the Desert Giants |
1 |
8 |
|
| The Mystery Cabin Island |
1 |
9 |
|
| Hunting For Hidden Gold |
1 |
10 |
|
| The Mystery of the Aztec Warrior |
1 |
11 |
|
| The Hidden Harbor Mystery |
1 |
12 |
|
| The Ghost At Skeleton Rock |
1 |
13 |
|
| Mystery of Chinese Junk |
1 |
14 |
|
| The Shore Road Mystery |
1 |
15 |
|
| What Happened At Midnight |
1 |
16 |
|
| The Sign Of the Crooked Arrow |
1 |
17 |
|
