The Many Adventures of Winnie the Pooh derived from three previously released animated featurettes Disney produced based upon the Winnie-the-Pooh books by A. A. Milne: "Winnie the Pooh and the Honey Tree" (1966), "Winnie the Pooh and the Blustery Day" (1968), and "Winnie the Pooh and Tigger Too" (1974). Extra material was used to link the three featurettes together to allow the stories to merge into each other. A fourth, shorter featurette was added to bring the film to a close, originally made during production of "Blustery Day" (based on the presence of Jon Walmsley as Christopher Robin). The sequence was based on the final chapter of
Winnie-the-Pooh (book) by the Hungarian Lénárd Sándor (Alexander Lenard), "Winnie ille Pu", was first published in 1958, and, in 1960, became the first foreign-language book to be featured on the "New York Times" Best Seller List, and the only book in Latin ever to have been featured therein. It was also translated into Esperanto in 1972, by Ivy Kellerman Reed and Ralph A. Lewin, "Winnie-La-Pu". The work was featured in the iBooks app for Apple's iOS as the "starter" book for the app. Following Disney's licensing of certain rights to Pooh from Stephen Slesinger and the A. A. Milne Estate in the