ThunderheadThe dark and thrilling sequel to Scythe, the New York Times sci fi bestseller. The stakes are high in this chilling sci fi thriller, in which professional scythes control who dies. Everything else is out of human control, managed by the Thunderhead. It's a perfect system until it isn't. Its been a year since Rowan went off grid. Hunted by the Scythedom, he has become an urban legend, a vigilante snuffing out corrupt scythes in a trial by fire. Citra,