Mary Had a Little Ghost — Bob Moats

Detroit Police Detective Russ Baker is in charge of the Cold Cases and with his ghostly friend and partner, Wes Loomis, and their new partner, Mary Cohen, they have to solve cases to allow victim's ghosts to go on to the hereafter. They take on a case of murder of an escort service Madam who was blackmailing her clients. The Ghost Squad finds they have too many suspects and now have to narrow the list down to one killer. Will they find the killer?
Murder, mayhem, humor, ghosts galore, plenty of suspects and lots of fun are in store in this paranormal ghost crime story by Bob Moats. This book is a novella.