What if Santa does exist? And what if he has spies...as well as dangerous enemies...who have infiltrated your town? Jack Sheldon asks himself these questions as he navigates 7th Grade at Bells Moor Middle School, itself an epicenter of strange phenomena. Jack's goofy buddy Brett disappears from the boys' room, leaving an icy puddle behind. While cutting class, Jack's delinquent friend Evan peeks into the music room; Evan sees floating mallets playing glockenspiels and is committed to a psychiatric ward. Jack confronts his bumbling music teacher, Mr. Kobold, who identifies himself as one of...