Who is sending boxes full of goodies to the Enchanted View guesthouse - anonymously? Why do things keep disappearing - and turning up in the oddest places? What secrets are the waiters hiding - and why? Why is Mr. Weiskopf’s factory suddenly losing money - and who's behind it? Will young Billy be able to stay in school - and can he save his desperately ill father? Join Meir, Nati and Meshulam on their action-packed adventures as they explore and discover the answers to all these questions - and more! - in Mail a Mystery.