Nightblood (Paperbacks from Hell)

As a soldier in the jungle of Vietnam, Chris Stiles learned how to fight against a deadly enemy. Now the war is over, but when his brother is slaughtered in Central Park, Chris finds himself called back into action, this time to battle a different kind of foe: an army of the undead!

His quest for the creature that killed his brother brings him to Isherwood, Indiana, home to 800 people--and one ancient vampire. As all hell breaks loose and the townspeople are turned one by one into blood-suck...