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 A fourth, shorter featurette was added to bring the film to a close, originally made during production of "Blustery Day" (based on the presence of Jon Walmsley as Christopher Robin).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
A. A. Milne "Punch", joining the staff in 1906 and becoming an assistant editor. During this period he published 18 plays and three novels, including the murder mystery "The Red House Mystery" (1922). His son was born in August 1920 and in 1924 Milne produced a collection of children's poems, "When We Were Very Young", which were illustrated by "Punch" staff cartoonist E. H. Shepard. A collection of short stories for children "A Gallery of Children", and other stories that became part of the Winnie-the-Pooh books, were first published in 1925. Milne was an early screenwriter for the nascent British film industry, writing