Virtue Inverted — Piers Anthony; Kenneth Kelly

Virtue Inverted is the first novel of a hard-hitting sword and sorcery trilogy by Piers Anthony and Ken Kelly. Benny Clout is a poor mountain boy who has found true love in Virtue the vampire. However, Virtue is not an ordinary vampire; she's actually a very nice girl. Her bites contain extraordinary power, but will that power be enough to combat the evil that awaits them?