Claudia and Mean Janine: No.7 (Babysitters Club) by Ann M. Martin

Ann M. Martin is the bestselling author of the momentous series The Baby-sitters Club, as well as the Main Street series. Her other acclaimed novels include “A Dog’s Life,” “Belle Teal,” “Here Today,” and the Newbery Honor Book “A Corner of the Universe.” She lives in upstate New York. For more information, visit www.scholastic.com/bsc.