What Australian-born writer wrote a series of eight children's books published between 1934 and 1988?
P. L. Travers Pamela Lyndon Travers, OBE ( ; born Helen Lyndon Goff; 9 August 1899 – 23 April 1996) was an Australian-born writer who spent most of her career in England. She is best known for the "Mary Poppins" series of children's books, which feature the magical nanny Mary Poppins.
Robert Ingpen Robert Roger Ingpen AM, FRSA (born 13 October 1936) is an Australian graphic designer, illustrator, and writer. For his "lasting contribution" as a children's illustrator he received the biennial, international Hans Christian Andersen Medal in 1986.