The major work of Imam al Shawkani's law contained in 3 volumes. This is an important work in jurisprudence, as it compiled the different schools and rulings, and issues of worship, transactions, and more. It is clear and concise in addition to being objective. Imam Muhammad Ibn Ali Ibn Muhammad Ibn Abdullah al-Shawkani (1173/1759 - 1250/1839) was a major scholar of Islam from Yemen.