Hardcover, 186 pages
German language
Published Jan. 1, 1997 by Bertelsmann, München.
Hardcover, 186 pages
German language
Published Jan. 1, 1997 by Bertelsmann, München.
Hurrah! It's holiday time, and the Famous Five are spending it at Billycock Hill. Most exciting 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.