Sharh Thalaathatul-Usool by Shaykh Muhammad ibn Saalih al-Uthaymeen (Rahimahullaah ta'alaa) is an explanation of the treatise Thalaathatul-Usool (The Three Fundamental Principles) by Shaykh Muhammad ibn Abdul- Wahhaab (Rahimahullaah). He wrote this in order to convey to every Muslim that which is obligatory upon him to know in fact the three principles are based on the three questions that we will all be asked in our graves. Printed by Darussalam Riyad on white paper contains 260 pages.