The book "The Lost Gospel and Its Contents, or The Author of Supernatural Religion Refutes Himself" is a thorough study by Michael Fereby Sadler. In this work, the author examines the work "Supernatural Religion" and exposes its author's internal contradictions and errors. Sadler analyzes the various arguments presented in the book "Supernatural Religion", trying to establish how valid and true they are. He draws attention to the inaccuracies and shortcomings contained in this work and consistently exposes them to the reader. Under the author's careful microscope, a number of contradictions that were missed during the writing of "Supernatural Religion" are revealed. With the help of clear language and logical thinking, Sadler proves his counter-arguments, revealing weak points in his opponent's argument. "The Lost Gospel and Its Meaning" is an important book for anyone interested in the rationale of the Christian faith and the study of religious history. The author has dealt with the claims of "Supernatural Religion" in detail and offered his own compelling arguments, making this book an essential addition to the library of any truth seeker.