When one of them finds a successful way to communicate with a live person, four young ghost decide to band together to help solve and prevent crimes.

When one of them finds a successful way to communicate with a live person, four young ghost decide to band together to help solve and prevent crimes.

The Ghost Squad's attempts to solve the mystery of one murder--and prevent another--are complicated by the activities of the evil Malevs.

The members of the Ghost Squad determine to keep the evil Dr. Purcell from succeeding in his plan to have his ghostly accomplices take over the temporarily vacated bodies of living beings.

Another of the Ghost Squard series, the four ghosts find two living boys who need some help. The ghosts didn't know they would end up fighting another ghost.

The crime-fighting Ghost Squad joins forces with living colleagues to find out the fate of a missing boy at a camp which seems to be headed by a former commandant of a Nazi death camp.