The book "If Angels Fall" tells the story of private detective John Costanza, who tries to solve a series of mysterious murders. His investigation reveals shocking secrets that boil down to a dangerous sectarian cult that threatens not only the life of the main character, but also the entire world. The complicated plot, unexpected turns of events and philosophical reflections on good and evil have already captivated readers all over the world. This book not only excites with suspense and intrigue, but also leaves a deep impression and makes you think about important questions of life and death.