Margaret Peterson 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.


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.
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