von Mel Lyle
A Power Boys Adventure von Mel Lyle umfasst 6 Bände, darunter The Mystery of the Haunted Skyscraper, The Mystery of the Flying Skeleton und The Mystery of the Burning Ocean.
The Mystery of the Haunted Skyscraper
1964
The Mystery of the Flying Skeleton
The Mystery of the Burning Ocean
1965
The Mystery of the Million-Dollar Penny
The Mystery of the Double Kidnapping
1966
The Mystery of the Vanishing Lady
1967