Moon Dragon by J.R. Rain — book slip

Samantha Moon, once a federal agent and now a vampire, juggles her life as a private investigator and a mother. In 'Moon Dragon,' she is drawn into a chilling case involving her dead ex-husband's mistress, who claims a killer is on the loose. As Samantha delves deeper, she uncovers a supernatural threat that could be history's greatest mass murderer. With the clock ticking, she must find a missing woman and confront a dangerous creature from the shadows of legend. Samantha's investigation leads her to face her own dark powers and the legendary Dracula himself.

Part of the 'Vampire for Hire' series.