Margaret Peterson Haddix is an American writer known best for the two children's series, Shadow Children (1998–2006) and The Missing (2008–2015). She also wrote the tenth volume in the multiple-author series The 39 Clues.
Quick Facts About Margaret Haddix
Notable works
Running Out of Time
About Margaret Haddix
Margaret Peterson Haddix is an American writer known best for the two children's series, Shadow Children (1998–2006) and The Missing (2008–2015). She also wrote the tenth volume in the multiple-author series The 39 Clues.