The Toll by Neal Shusterman

In a world where death has been conquered and Scythes are tasked with controlling the population, the story follows the aftermath of a devastating event that has left society in chaos. As the Thunderhead, an all-knowing AI, is rendered silent to all but one individual, various factions vie for power and control. The narrative weaves through the lives of several characters, including Citra and Rowan, as they navigate a landscape filled with political intrigue, moral dilemmas, and the quest for a new order. The book explores themes of mortality, governance, and the human condition, culminating in a gripping conclusion that challenges the very fabric of their world.