Published originally in Arabic, this book explains in detail the 5 main pillars of Islam and their sub-pillars. This book starts off with the basic two testimonies, explaining the meaning and conditions that must be met for the testimonies to be acceptable. Then the book explains the many different types of prayers and the prerequisites to the prayer in Islam. It further explains the Fasts (Siyam), and the Hajj. Prepared by some research scholars of knowledge of Islam, this book is a great work to further our understanding of the basics of Islam.