Mary Poppins Opens the Door Mary Poppins Opens the Door Mary Poppins Opens the Door is a British children's fantasy novel by the Australian-British writer P.L. Travers, the third book and last novel in the "Mary Poppins" series that features the magical English nanny Mary Poppins. It was published in 1943 by Harcourt, Brace & World, Inc and illustrated by Mary Shepard and Agnes Sims. On Guy Fawkes Night, Mary Poppins arrives in the wake of the last fireworks display by the Banks family. The Banks children Michael, Jane, the twins, and Annabel plead with her to stay. She reluctantly agrees to do so "till
Mary Poppins (film) of wind blows them away, and Jane and Michael witness a young nanny descending from the sky using her umbrella. Presenting herself to Mr. Banks, Mary Poppins calmly produces the children's restored advertisement, and agrees with its requests, but promises the astonished banker she will be firm with his children. As Mr. Banks puzzles over the advertisement's return, Mary Poppins hires herself, and convinces him it was originally his idea. She meets the children, then helps them tidy their nursery through song, before heading out for a walk in the park. Outside, they meet Bert, working as a screever; Mary