An eight-year-old boy solves mysteries with the ghost of his former class pet, a naked mole rat, in this funny supernatural graphic novel series for early readers. The pet snake from the class next door is missing! Carter and his ghost detective sidekick, Mr. Pebbles, are back, and there’s a new mystery to solve at Creek Elementary. Carter’s older brother, JJ, reveals that his class pet, a skittish milk snake named Milkshake, is missing! Can Carter and Mr. Pebbles find her before they have another dead class pet on their hands?