The Truth About Muhammad: Founder of the World's Most Intolerant Religion is a biography by American anti-Muslim author Robert B. Spencer about the Islamic prophet Muhammad. Written from a critical perspective towards its subject, this book examines the life of Muhammad in ten chapters based on the sources provided by his early biographers, together with the Quran and the hadith, while also challenging their historical authenticity. Th book was released on 15 September 2006 by Regnery Publishing and entered The New York Times Best Seller list for a week. The critical reception of the book was generally unfavorable, with Spencer being criticized for his selective use of sources, subjective interpretation and anachronistic reading of the historical context. Positive reviews were given mostly by Christian and conservative publications, with Human Events including it in its listing of "Top 10 Conservative Books of 2006". Source: Wikipedia (en)