In the Time of the Flash (The Book of Ruin Series, #5)

On a day like any other, a series of powerful coronal mass ejections hit Earth, frying much of the planet's tech infrastructure. The world doesn't collapse overnight, and Abigail Tate, a Chicago-tough university student, tags along with her newfound wealthy half-sister to Miami for spring break.

But once there, she discovers South Florida has become a dystopian cityscape of prey and predator. A drug called Wisht runs rampant, distorting minds and morphing bodies. Violent cults called Malform...