Scythe by Neal Shusterman Rating -  4.63 out of 5 In Scythe by Neal Shusterman, the world is run by a benevolent AI, The Thunderhead, which has made normal mortality obsolete. To maintain balance a class of people, the scythe, are tasked with gleaning other humans, acting as normal chance and accident would have in the mortal age. When Citra Terranova...