Mary Downing Hahn

Mary Downing Hahn
Born (1937-12-09) December 9, 1937
Washington, D.C. (or College Park, Maryland, sources vary), U.S.
OccupationNovelist
GenreYoung adult fiction including ghost, horror, mystery stories

Mary Downing Hahn (born December 9, 1937) is an American writer of young adult novels and a former school librarian. She is known for books such as Stepping On The Cracks and Wait Till Helen Comes. She published her first book in 1979 and has since written over 30 novels. Her novel What We Saw was published in September 2022.