The only things Alex Rains cares about are rock ’n’ roll, classic cars, and killing vampires—that is, until he meets Carmen, a tough-as-nails cop who’s hot on the trail of her missing little sister. When the two join forces, they leave a trail of corpses across the desert as they race against the clock, hunting an ancient evil that’s preyed on the migrants of the American Southwest since the time of the Spanish conquest. $0.99 on Kindle.