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 is the youngest and is born midway through the second book. Though the ages of the children are never made explicit, Jane is estimated to be around seven years old in "Mary Poppins", and John and Barbara have their first birthday in the same book and appear to be around two years old when Annabel is born. Only Jane and Michael appear in the film and stage musical. In the film they are portrayed by Karen Dotrice and Matthew Garber; in the 2018 sequel, they are portrayed by Emily Mortimer and Ben Whishaw. George Banks is Mary Poppins's employer. He