books by author
Knipe
The Mystery of the Invisible Spy: Book 10 (Adventure Island)
Adventure Island 13: The Mystery of the Secret Room
The Mystery of the Dinosaur Discovery: Book 7 (Adventure Island)
The Mystery of the Smugglers' Wreck: Book 9 (Adventure Island)
The Mystery of the Phantom Lights: Book 14 (Adventure Island)
The Mystery of the Secret Room: Book 13 (Adventure Island)
