Gertrude Chandler Warner

Jessie Alden likes her new role at the student newspaper, but when a new boy at school comes to her with information about strange things taking place at his parent's business, she realizes her story is much bigger than she thought.

When an embarrassing message between Charla and Daniel goes out to the whole class, Jessie discovers someone has been tampering with Charla's lawyer mom's computer, and in order to keep the culprit from walking free, Jessie and Charla need Daniel's help, but when some messages go out, they are hard to take back.