The Curse of the Were-Hyena - A Monstertown Mystery

What do you do when your favorite teacher starts turning into a were-hyena? a) Flee in terror? b) Try to cure him? c) Bring him carrion snacks? Mr. Chu, the coolest teacher ever, has developed some very unusual habits, like laughing hysterically for no reason, sniffing people's homework, and chasing chickens. When best friends Carlos and Benny decide to find out what's happening to him, they get caught up in some moonlight madness.
And it looks like just the beginning of the weirdness that has arrived in the town of Monterrosa.