"A list of scholars with opposing views, along with names of their books and related information, was compiled by the Islamic scholar Muhammad Hisham.In 2010, Prince Salman bin Abdul-Aziz at the time serving as the governor of Riyadh said that the teaching of Muhammad Ibn Abdul-Wahab was pure Islam, and said regarding his works, "I dare anyone to bring a single alphabetical letter from the Sheikh's books that goes against the book of Allah ... and the teachings of his prophet, Mohammed."