Kristy, Claudia, Mary Anne and Stacey have had some strange adventures since they started the Baby sitters Club. But nothing has been as spooky as what is going on right now. The baby sitters have been getting mysterious phone calls when they are out on their jobs. When a phone rings and they pick up, there is no one on the other end of the line. Claudia is sure it is the Phantom Caller, a jewel thief who has been operating in the area. Claudia has always liked reading mysteries, but she does not like it when they happen to her. So she and the babysitters decide to take action, with some very mixed results!
