Al-Muwatta' and Malik's book was better, more useful, and more influential than all the books that had been written up to that time. Caliph Abu Jaafar Al-Mansur (d. 158 AH) turned to Imam Malik during the Hajj season, asking him to write a book on jurisprudence that would bring together the diaspora and organize the writing according to scientific standards that he had set for him, saying: " O Abu...