"Commentary on the Three Fundamental Principles of Islam" is an essential work by the esteemed scholar Shaykh Muhammad ibn Salih al-‘Uthaymin, offering an in-depth explanation of the pivotal treatise Thalaathat-ul-Usool by Shaykh Muhammad ibn Abd al-Wahab. This book serves as a comprehensive guide to understanding the foundational principles of Islamic creed, focusing on the core questions every Muslim will be asked in the grave: Who is your Lord? What is your religion? Who is your Prophet?