B.P.R.D. (BPRD) Hell On Earth Bk 04 the Devil's Engine & the Long Death

Agent Johann, the ectoplasmic man, leads a special task force through the monster-filled Northwest woods in order to hunt down and kill the man he blames for leaving him a disembodied spirit. In the Southwest, agent Devon and the psychic crust punk Fenix form an uneasy alliance in order to escape a horde of giant bat-faced monsters.