Progeny of the Adder (Paperbacks from Hell)

Homicide detective Harry Picard has seen a lot of violent deaths . . . but never like this. Three bodies-blond, female, strangely emaciated-have been found in the Potomac River with their throats brutally slashed. Each victim was last seen in the company of a huge, hulking man dressed in black. Picard's investigation catapults him into a roiling morass of passion, sexual intrigue, violence, and primordial fear . . . as he faces an enemy as powerful, and as horrifying, as mankind's oldest su...