Ibn al-Hajj al-Abdari

Abu Abdullah Muhammad ibn Muhammad ibn al-Hajj al-Abdari al-Fasi (656-737 AH / 1258-1336 CE) was a Maliki jurist from Fez, Morocco, who settled in Cairo. He is best known for his major work al-Madkhal (The Introduction), a comprehensive guide to proper Islamic conduct and the correction of blameworthy customs, and for his efforts to reform religious practice.

Ibn al-Hajj studied in Fez and later in Egypt and the Hijaz, studying under major scholars including Ibn Rashid al-Fihri. He settled in Cairo where he became a respected scholarly figure. His al-Madkhal ila Tanmiyat al-A'mal bi-Tahsin an-Niyyat is a four-volume work covering a remarkably wide range of Islamic practices and conducts, from mosque etiquette and prayer to market behavior, weddings, funerals, and seasonal religious observances. It systematically identifies practices he considered innovations (bid'ah) or violations of proper Islamic conduct and argues for their correction.

Al-Madkhal is notable for its meticulous attention to the details of everyday Islamic practice and its rich description of 14th-century Egyptian and North African social and religious life. It remains one of the most important primary sources for the social history of medieval Islamic Egypt and for understanding Maliki scholarly attitudes toward religious practice.

He also authored works on Maliki jurisprudence and hadith. Ibn al-Hajj passed away in Cairo in 737 AH. His al-Madkhal is his enduring legacy — a work of enormous historical value and continuing relevance for those interested in the Islamic sciences of adab (proper conduct) and the critique of religious innovation.