Series
Power Boys
1. The Mystery of the Haunted Skyscraper (1964)
2. The Mystery of the Flying Skeleton (1964)
3. The Mystery of the Burning Ocean (1965)
4. The Mystery of the Million-Dollar Penny (1965)
5. The Mystery of the Double Kidnapping (1966)
6. The Mystery of the Vanishing Lady (1967)
1. The Mystery of the Haunted Skyscraper (1964)
2. The Mystery of the Flying Skeleton (1964)
3. The Mystery of the Burning Ocean (1965)
4. The Mystery of the Million-Dollar Penny (1965)
5. The Mystery of the Double Kidnapping (1966)
6. The Mystery of the Vanishing Lady (1967)
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