The Zombie Stone (Zombie Problems, Bk. 2)

When a zombie followed August DuPont home one day, he didn't expect her to stick around. But his very undead great-great-aunt Claudette is in no hurry to leave, even when August decides to search for the elusive Zombie Stone in hopes of undoing his zombie curse. Throw in a couple of dour relatives, a necromancer, a pop star with attitude, a séance, a band of armadillo people, and four new zombies (that's right, four, and you'd better believe that August's small zombie problem is only going to get bigger.