The mystery of Mr. Whiskers just got a whole lot weirder. James has been tracking the class hamster for weeks, and his Nacho Hamster Files are filled with proof that something isn’t right. But nothing in his notebook prepared him for what Charlie is about to tell him… Now there’s a magic nacho, a secret door in the school wall, and a hamster who somehow looks more adorable every single day. James is closer to the truth than ever. But catching Mr. Whiskers might be harder than anyone thinks.
