Mary Poppins in 2004, Walt Disney first attempted to purchase the film rights to "Mary Poppins" from P. L. Travers as early as 1938, but was rebuffed because Travers did not believe a film version of her books would do justice to her creation and did not want an animated cartoon based on it. The books had been a favourite of Disney's daughters when they were children, and he finally succeeded in purchasing the rights in 1961, although Travers demanded and got script approval rights. The relationship between Travers and Disney is detailed in "Mary Poppins She Wrote", a biography of Travers,
Mary Poppins daughters and two sons. As in "Mary Poppins", Mary leaves at the end (via an enchanted merry-go-round), but this time with a "return ticket, just in case" she needs to return. When Mary last left the Banks children in Cherry Tree Lane, she took a "return ticket, just in case." In the third book, she returns to the park in front of Cherry Tree Lane the way she came, falling with fireworks. Once again she takes up nanny duties in the Banks household and leads Jane, Michael, the toddler twins John and Barbara (as well as the new baby girl