Dinotown is frozen! How will the Dinomighties fight Bully Mammoth and save the most precious painting in the world? This wildly funny, action-packed graphic novel is perfect for fans of Dog Man, Investigators, and Real Pigeons. Dinotown is under attack! In this adventure, the Dinomighties face new icy villains led by Bully Mammoth. This colossal meanie will stop at nothing to get his grubby tusks on the world's most...