Margaret Peterson Haddix was born in Washington Court House, Ohio on April 9, 1964. She received bachelor's degrees in English/journalism, English/creative writing, and history from Miami University in 1986. Before becoming an author, she was a copy editor for The Journal-Gazette, a newspaper reporter for The Indianapolis News, an instructor at Danville Area Community College, and a freelance writer. Her first book, Running Out of Time, was published in 1995. She has written more than 30 books including Don't You Dare Read This, Mrs. Dunphrey, Just Ella, Turnabout, The Girl with 500 Middle Names, Because of Anya, and Into the Gauntlet. She also writes the Shadow Children series and the… Missing series. She has won the International Reading Association Children's Book Award and several state Readers' Choice Awards.