The book "The Christian Religion: A Study" was written by the eminent American atheist Robert Greene Ingersoll. In his work, he explores the nature and origin of Christianity, as well as its influence on modern society. The author critically analyzes the main principles of the Christian faith, revealing the contradictions and shortcomings that, in his opinion, are contained in religious doctrines. Ingersoll gives the reader the opportunity to rethink his own relationship to religion and believe in freedom of thought and self-determination. This book is an essential resource for anyone interested in religion, philosophy, and worldview.