David A. Adler (www.davidaadler.com and www.camjansen.com) is the author of more than 175 children's books. Before becoming a children's book author, he taught math and science, and completed master's degrees in marketing and economics. He lives in Woodmere, New York.
An uncluttered plot, a clever heroine, clear language, and a dash of humor make for a zestful mystery. What wrongdoer is any match for Cam Jansen, the girl with the amazing photographic memory? ( Booklist) An uncluttered plot, a clever heroine, clear language, and a dash of humor make for a zestful mystery. (School Library Journal)