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Shirleyann Costigan

Shirleyann Costigan, an educator, writer, and editor, received her M.A. in English Studies from Loyola University, Los Angeles. Before beginning her long career as a writer for school publishing, she was an elementary school teacher and a college instructor. She has since worked for numerous school publishers including Boston Educational Research and Hampton-Brown Publishing. She currently edits and writes for National Geographic School Publishing. THE RAT-TAKER is her first novel.