The Horsemen

Reader Note: TV-style serial—four novella-length episodes followed by a season-finale novel. Two seasons are available (9 books total) with more to come. Content notes: frequent strong language, vampire violence/peril, adult themes.
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He swore to protect humanity until the line between hero and monster was buried with his soul.
 

Hunter King has lost everything...his wife, his trust in the system, and his grip on sanity. As the Government Security Agency closes in and the Slayer program teeters on extinction, a new horror stalks Ransom's streets, something not human, or vampire, and not of this world.

Dominic Kollar, the vampire outlaw bound by vengeance, is caught between loyalty and love as his quest for Florin collides with a conspiracy that threatens to erase the line between predator and protector. Meanwhile, Chari King's heart is torn between her duty as a Slayer and the vampire she can't stop thinking about.

When the Horsemen rise, the fragile truce shatters. Blood will spill, cities will burn, and destinies will collide in a reckoning that will decide who rules the night.