Curse of Mr. M's Castle

Griffin and his friends must think outside the box ... And break the curse ... Before someone else gets hurt. On his first day of fourth grade, Griffin's teacher, Mr. M, shared what he did on summer vacation. He had visited his ancestral home, McAlister Castle. Not only that, but he also brought a souvenir with him, an authentic Viking chest! But little did they know, something else, something oth...