The Familiar: Annals of S.O.L.M. Book One of the Covenant Crisis

If you want to meet a vampire, go to a hospital.
Gerome was desperate when he met Madeline, desperate enough to make a deal with a vampire. His grandmother was dying. The bills were crushing. So, when his beautiful benefactor offered him money in exchange for blood, he didn't ask questions.
He became a Familiar.
In Gerome's world, not all vampires kill. They don't forever feed on the innocent. Some vampires prefer to make deals. Madeline is ancient, meticulous, and terrifyingly rational. She d...