An explanation of the 'al-Tashil li-Ulum al-Tanzil', Ibn Juzayy's (d.741/1340) well-organized Qur'an interpretation with a focus on Qur'anic grammar and eloquence. This explanation by Musa'id ibn Sulayman al-Tayyar, with editing of Badr ibn Nasir ibn Salah Jabr.