Mrs. Jeepers' Monster Class Trip (Adventures Of Bailey School Kids Super Special #5) - Hardcover

This is one rockin' adventure! 

Mrs. Jeepers takes the class to a geology park for a weekend camping trip. But some of the rocks on the site look suspiciously like monsters, and the staff is strangely rocklike Could Mrs. Jeepers really bring a canyon full of rock monsters to life? Something strange is going on, and the Bailey School Kids are going to find out what's hit this creepy park.