"40 Hadith Series - Completion of Islam" is a profound compilation of hadiths that emphasize the perfection of Islam as a complete way of life. This book explores the significance of the final sermon of Prophet Muhammad (SAW), the declaration of Imam Ali (AS) as his rightful successor at Ghadir Khumm, and the role of divine leadership (Wilayah) in preserving the faith. Each hadith is accompanied by explanations that highlight the importance of Tawheed, Prophethood, and Imamate in shaping Islamic beliefs. An essential read for those seeking deeper insight into the final message of Islam and the leadership chosen by Allah (SWT).