The hit series is back, to charm and inspire another generation of baby-sitters!

For once, Claudia's studied really hard for her math test. And when she gets her paper back, it has an A- on it. All right!But then Claudia's math teacher calls her to his desk and accuses her of copying off of Shawna Riverson's test.Claudia can't believe it, and neither can the Baby-sitters. Claudia would never cheat! And they're not going to rest until they help clear Claudia's name!The best friends you'll ever have--with classic BSC covers and a letter from Ann M. Martin!