Being a good babysitter isn't always easy, and the vice-president of the Babysitters Club, Claudia Kishi, is learning that the hard way. She and the other club members have started getting mysterious calls on the job. Is it the Phantom Caller, a jewel thief who's been breaking into houses in the area? One thing is certain - the friends need to take action to protect the kids in their care!

 

This book features in the following series: Babysitters Club, Babysitters Club Mysteries .

There are 176 pages in this book. This book was published 2010 by Scholastic .

Ann M. Martin is the Newbery Honor author of A Corner of the Universe and the bestselling Baby-sitters Club series. She lives in New York.