The Muwatta of Imam Muhammad is a book of hadiths, compiled by Imam Muhammad ibn al-Hasan al-Shaybani, a prominent disciple of Imam Abu Hanifa. The book contains a collection of hadiths, or sayings and actions of Prophet Muhammad, as well as the practices and sayings of the early Muslim community. It is considered one of the earliest and most important collections of hadiths, and is highly respected in the Islamic tradition. The Muwatta covers a wide range of topics, including prayer, fasting, pilgrimage, marriage, ethics, and more. It is an essential resource for Muslims seeking to understand and practice their faith.