Scarlet Revenge by Sheri Lewis Wohl

Vampire Victoria Tory” Grey hides among the books in the Library of Congress where life is safe and simpleuntil a medieval New Testament shows up on her desk. Someone is sending her a terrifying message with a chilling significance only she understands. With no one to turn to, she goes somewhere she hasn’t been in centuries church.Ex-vampire-hunter turned lay minister, Naomi Rand’s midnight services at the National Cathedral cater to preternaturals. Still, she’s surprised by the mysterious, lovely vampire who touches her heart. Attraction between them grows, while around them the body count mounts. Calling for help from the Spiritus Group, they struggle to stop a killer before war breaks out between humans and preternaturals. Tory unknowingly holds the key, but will she find it before it’s too late? Or will Naomi lose the love she’s waited for all her life?