"Arc of a Scythe" is a young adult dystopian trilogy written by Neal Shusterman. The series is set in a future where death has been conquered, and humanity lives in a world free from disease and aging. To control the population, a group of individuals known as Scythes is tasked with selecting people to die, creating a moral dilemma about life and death. The story follows two main characters, Citra Terranova and Rowan Damisch, who are chosen to become apprentices to a Scythe. As they navigate their training, they face challenges that test their beliefs and values, ultimately questioning the ethics of their society and the role of Scythes.