America's favorite baby-sitters are detectives, too!
When Dawn starts getting threatening notes and odd phone calls while she's baby-sitting, 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.
The kids at Stoneybrook Elementary are having a Sitter of the Month Contest. The Sitter of the Month has to be someone who is in control--someone whose jobs always go smoothly. Dawn doesn't want to blow her chances of winning. But what if she's in real danger?
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