An audio series of lectures in English in which Dr. Saleh as-Saleh explains a book written by Sheikh Al-Islam Muhammad ibn Abdul-Wahhab entitled, "The Three Fundamental Principles." This book discusses some rules that a person has to know about such as knowing Allah, Islam, hereafter, Prophet Muhammad. In his explanation, Dr. Saleh As-Saleh depends on the explanations of scholars: Ibn Baz, Ibn Utheimeen, Saleh Al-Fawzan, and Abdullah Al-Fawzan (may Allah have mercy on them all).