"Edison is eager to take a break from the mysteries that have plagued him to focus on the upcoming alchemist competition, but his preparation is interrupted when skeletons invade his hometown. After a week of constant attacks, the mayor calls a meeting to investigate. Local farmer Carlo captivates the group with the story of a secret Skeleton spawner and a master villain who is behind the attacks, but vanishes before the townsfolk can learn more. With no other options, the town votes that Edison and Billy solve the mystery of the invasion. Since it's so close to home, Edison thinks he'll still have time to prepare for the alchemy competition. But as the investigation takes them farther and farther away, Edison realizes that juggling alchemy and his newfound detective work might be harder than he thought"--Back cover.