Yuma Public Library

Claudia's room has been ransacked, and her sister Janine is acting strange. It's up to the Baby-sitters to solve the mystery.

While cleaning up Granny amnd Pop-Pop's basement, Mary Anne stumbles upon a tightly wrapped package that contains a surprising secret from the past.

While Mallory is baby-sitting she finds a cat in the Craine's attic and names him Ghost Cat.

Who would have believed it? Counterfeit money is showing up in Stoneybrook.

When Dawn starts getting threatening notes and add phone calls while she's babysitting, she doesn't know what to do. The notes are signed "Mr. X," and they're beginning to get scary. Normally, she would tell the other Baby-sitters, but this time is different.