Ghost Track: Melissa by David Graffman ****

Detective Sergeant Leyland Francis and Chief Inspector Phil Mercer were old friends when Melissa Marshall turned up dead. Unfortunately for their friendship, but fortunately for their internal affairs nemesis Petunia Ferdinand, Leyland appears to have spoken to Melissa after the time forensics declared her to have been dead.

Ghost Track: Melissa by David Graffham is a buddy cop mystery full of familiar intrigues, including Melissa's very alive sister Felicity, internal police politics, and the Russian mob headed by Viktor Petrov.

In good mystery form, all these myriad plot line are tied together in the end.