Enid Blyton 
Mystery of the Missing Man 
Book 13

The Find-Outers is a clever mystery series from bestselling author Enid Blyton, and perfect for fans of The Secret Seven. The Trottevilles have a house guest named Eunice, and Fatty will do anything to avoid her. While hiding from Eunice his disguise leads a mystery right to him: there’s an escaped prisoner in Peterswood who is also a master of disguise. Now Fatty, Larry, Daisy, Pip and Bets have to find the man and avoid Eunice at the same time…First published in 1956, this edition contains the orginal text and is unillustrated.