Hurrah! It's holiday time, and the Famous Five are spending it at Billycock Hill. Most excitng of all, they've made a new friend - a real pilot! But now he has disappeared, with top secret equipment ...The Five are puzzled, and concerned, too. Could their new friend by a spy - a traitor!. Whatever his motives are, the gang feel duty-bound to investigate ...
About the author: Enid Blyton died in 1968 but remains one of the best-known and best-loved writers of children's stories. She is consistently voted a children's favourite in author polls. She has over 600 children's books to her credit, including the Famous Five series, the Secret Seven series, the Naughtiest Girl series 'all Hodder' and the Malory Towers and St Clare's series 'both available from Hodder on audio'.
