"Muhammad: His Life Based on the Earliest Sources" is a biography that presents the life of Muhammad, the founder of Islam, using early historical texts. The book draws from primary sources, including accounts from those who lived during his time, to provide a detailed and accurate portrayal of his life and teachings. The author, Martin Lings, emphasizes the significance of Muhammad's experiences, including his early life in Mecca, his prophetic revelations, and the establishment of the Muslim community. This work aims to offer readers a deeper understanding of Muhammad's character and the historical context of his mission.