Scary School #2: Monsters on the March

In this second book in the Scary School series, the students of Scary School are off to Monster Forest.
 
School may be scary, but the forest has a few frights of its own, including bearodactyls; Captain Pigbeard, fearsome leader of the Monster-Pirates; and his fiancée, Princess Zogette. When Zogette falls in love with Charles and follows him to Scary School, Captain Pigbeard raises his army in purs...