Mary Poppins five books recount previously unrecorded adventures from her original three visits. As P. L. Travers explains in her introduction to "Mary Poppins in the Park", "She cannot forever arrive and depart." The books were adapted by Walt Disney into a musical film titled "Mary Poppins" (1964), starring Julie Andrews and Dick Van Dyke. The film "Saving Mr. Banks" (2013) depicted the making of the 1964 film. In 2004, Disney Theatrical in collaboration with Cameron Mackintosh (who had previously acquired the stage rights from Travers) produced a stage musical also called "Mary Poppins" in London's West End theatre. The stage musical
Mary Poppins (film) of the Travers–Disney correspondence is part of the Travers collection of papers in the Mitchell Library of New South Wales, Australia. The relationship between Travers and Disney is detailed in "Mary Poppins She Wrote", a biography of Travers, by Valerie Lawson. The biography is the basis for two documentaries on Travers, "The Real Mary Poppins", and Lisa Matthews' "The Shadow of Mary Poppins". Their relationship during the development of the film was also dramatized in the 2013 film "Saving Mr. Banks". Julie Andrews, who was making her feature film acting debut after a successful stage career, got the prime role