Mary Poppins is the title character of a series of children's books written by P. L. Travers. Throughout the Mary Poppins series, which lasted from 1934 to 1988, Mary Shepard was the illustrator and acted as a second author. The books centre on a magical English nanny, Mary Poppins. She is blown by the East wind to Number Seventeen Cherry Tree Lane, London, and into the Banks' household to care for their children. Encounters with chimney sweeps, shopkeepers and various adventures follow until Mary Poppins abruptly leaves, i.e., "pops-out". The adventures take place over a total of eight books. However, only the first three books feature Mary Poppins arriving and leaving. The later 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 in 1964 into a musical Disney film starring Julie Andrews and Dick Van Dyke. In 2004, Disney Theatrical produced a stage musical adaptation in the West End theatre. The stage musical was transferred to Broadway in 2006. It is still running there to this day, to sold-out crowds. It has been highly successful, as was the classic 1964 film.
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