If the world has embraced Winnie-the-Pooh as its best loved teddy bear, the character’s creator was not so enamoured: the success of Pooh’s whimsical adventures in the 100 Acre Wood, first published in 1926, soon eclipsed AA Milne’s other literary work as a playwright, novelist, poet and essayist, and was to have unhappy consequences for his personal life. ...