Biography for Cam Jansen and the Graduation Day Mystery


Penguin Putnam
David A. Adler (www.davidaadler.com and www.camjansen.com) is the author of more than 175 children's books. He lives in Woodmere, New York.

Joy Allen (www.joyallenillustration.com) has illustrated many children's books, including Pleasant Company's Hopscotch Hill School series. She lives in Bedford, Massachusetts.

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