Whether it be Al-Qaeda, Ahle Hadith, GIA or any other medley of titles, these groups stem from the same source: Muhammad ibn Abdul Wahhab and his Ikhwan, or 'Brotherhood' movement. For the fi rst time in English, the reader has a full historical and theological explanation of Salafi yyah. The author, Imam Sulaiman ibn Abdul Wahhab, was the fi rst to write about and ultimately fall victim to the movement. Anyone seeking answers - Muslim or not - needs to understand that this tribulation did not begin on a Tuesday in 2001, but in the mind of a false prophet more than 200 years ago.