The Mystery Series: The Mystery of the Vanished Prince: Book 9 Enid Blyton

Prince Michael is staying at a school camp near Peterswood, but before Fatty, Larry, Daisy, Pip and Bets get to see him he disappears in the middle of the night! The Find-Outers, along with the help of Ern and his brothers Sid and Pearce, are on the case to find the missing prince. And this time they’ll have to work with Mr Goon…