Cam Jansen and the Ghostly Mystery Author:David A. Adler, Susanna Natti (Illustrator) Cam's on line to buy tickets for a concert, but now she's got more than she bargained for -- a new mystery to solve! Someone dressed as a ghost is scaring people on line. Is he also stealing their wallets? Cam thinks so, but she's got to rely on her amazing photographic memory to un-mask the thief. "Adler delivers another satisf... more »ying story."-- School Library Journal« less