Amy Jo Ryan and her new neighbor, Becky Allison, deliver newspapers on their ponies, Ginger and Oreo. Mrs. Martin, a sick elderly customer, discovers that someone has stolen $100 from her purse. To make matters worse, Mrs. Martin can't remember where she's hidden her money box which holds her life savings. The girls draw up a plan to trap the thief ... but will the thief trap the pony investigators instead? Book #1 of the "Pony Investigators" series. (88pp. illus. Author, 2000.)