Worst Case by James Patterson

In this gripping thriller, a detective from the NYPD and an FBI agent team up to tackle a series of kidnappings that target the children of New York's wealthiest families. The perpetrator, driven by a twisted sense of justice, puts the victims through a bizarre test of moral integrity, threatening their lives if they fail to meet his standards. As the investigators delve deeper into the case, they find themselves racing against time to save the victims while grappling with their own personal demons and the ethical dilemmas posed by the kidnapper's motives. The tension escalates with each new abduction, leading to a climactic confrontation that tests the limits of their resolve and the strength of their dedication to justice. The 12174th greatest book of all time