Growing up in Syracuse, NY, Jeff Mack spent his childhood drawing monsters, making comic books, and building haunted houses in his basement. Since 2003, he has written and illustrated a long list of award-winning picture books, chapter books, and early readers, including Clueless McGee, Good News Bad News, Hush Little Polar Bear, Duck on a Disco Ball, and Mr. Monkey.

He has also illustrated books for other authors, including James Howe's Bunnicula and Friends and Eve Bunting's Hurry! Hurry! At home in Western Massachusetts, he travels widely visiting schools to talk with kids about creating books.


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