A one-class, intensive, condensed yet comprehensive explanation of the book, Al-Qawāʿid Al-Arbaʿ (The Four Fundamentals of Shirk) authored by Shaykh ul Islām Muḥammad Ibn ʿAbdul Wahhāb (رحمه الله) taught by our noble Shaykh Sālim Bāmiḥriz (حفظه الله)