The Truth About Muhammad: Founder of the World's Most Intolerant Religion (2006) is a book by Robert Spencer, the director of Jihad Watch and Dhimmi Watch. In the book the author proposes to present a "scrupulously accurate account of what Muhammad said and did" examining the writings of the early biographers of Muhammad such as Ibn Ishaq, Ibn Sa'd al-Baghdadi, Muhammad ibn Jarir al-Tabari as well as the Qur'an and the hadith collections of Bukhari and Muslim. In the examination of the early sources, Spencer attempts to elucidate the events of Muhammad's life which are invoked by contemporary Islamic clerics, governments, advocates and jihadists such as the Muslim Brotherhood's "spiritual" leader, Sheikh Yusuf al-Qaradawi today as a standard for their behaviour which may be viewed as viole