Hildick, E. W

Ten-year-old Tim is worried when a popcorn popper containing a wad of money is stolen from his kitchen and his friend Freddie is suspected of the crime.

A master criminal known as The Chameleon threatens to disrupt a mystery contest being held in the public library, but J.G. and the other Watchdogs are on hand to investigate.

Four young ghosts uncover a plot by a senator's stepson to have his stepfather unwittingly pass out candy embedded with needles at a Halloween party.

McGurk and his squad of amateur detectives investigate an epidemic of disappearing pets in their neighborhood.