When Cam Jansen her father and her friend Eric go to the library Cam finds a mystery to read. But soon she has a mystery to solve. Her father s shopping list has disappeared. Cam decides to use her amazing skills to investigate and with a click she puts her photographic memory into action. Where was the list seen last? And where can it possibly be? The Young Cam Jansen books are \ appealing mini-mysteries [that] will find a ready audience.\ (Booklist )