Creeper on the case

"When Gerald's mom says he should get more "involved" at school, he joins the newspaper staff. But reporting on current events is a snooze, until he stumbles onto a few mysteries. Why is Room 117 always locked? What is the disgusting smell coming out of Mr. Zane's briefcase? And ... why is Gerald's best friend, Sam the Slime, suddenly acting so strangely? Someone has to figure out what's really going on at Mob Middle School. But never fear--Geral...