No mystery is too great for super-sleuth Cam Jansen and her amazing photographic memory! Mysteries follow super-sleuth Cam Jansen everywhere she goes...even to an amusement park. Cam Eric and Cam s aunt Katie and uncle George have just braved the amusement park s Haunted House when Aunt Katie realizes that her wallet is missing. Did she lose it or was it stolen? Cam is convinced that this is the start of a very spooky mystery! The Cam Jansen books are perfect for young readers who are making the transition to chapter books and Cam is a spunky young heroine whom readers have loved for over two decades.