Going Dark (Nightfallen Book 1)
by S.G. Schvercraft
A secret Defense Department transformed Sgt. Jackson Wheel's body so that it can mimic undead physiology. Now Jackson is a spy among vampires, but while his body can imitate vampirism, to maintain his cover it’s up to him alone to match their depravity. How long can a good soldier remain a good man when his are to act evil?