(IBList user synopsis):
Heir to the throne Prince Bongawah is missing! He is nowhere to be found at the camp he was joining near Peterswood. The five and their dog suspect that his uncle, who wants to take over the throne, has kidnapped the prince.
Soon they find out that there is something strange about the prince, and that there is also something wrong with Fatty.
Original title: The Mystery of the Vanished Prince
Genre: Fiction→ Children & Young Adult→ Mystery