Cam Jansen and the Chocolate Fudge Mystery / David Adler / 58 pages / Vintage Children's Literature Challenge

"Cam's real name was Jennifer Jansen.  When she was very young, people called her Red because she had red hair.   But when they found out about her amazing [photographic] memory, they began calling her The Camera." Soon "The Camera was shortened to Cam."  Cam and her friend Eric are going door-to-door selling chocolate fudge bars and rice cakes to raise money for Ride & Read, a program that takes homebound elderly to the local library.  Cam's excellent skills and memory lead to the apprenhension of bank robbers.