Old Tin Sorrows (Garrett, P. I. Series #4)

When his old friend Blake Peters calls in some overdue favors. Garrett feels like he’s committed himself to a corps of corpses. Someone is trying to kill Blake's wealthy, retired General Stantnor, in a most lingering, painful, and maybe poisonous way. Can Garrett keep the general above ground?

But Stantnor's mansion holds a host of surprises for a human detective who thought he'd seen it all. For while the general is dying slowly, his employees are losing their lives at a far speedier rat...