Used widely by Shi'ite seminaries, and valued by Sunni scholars for its intellectual rigor, Muhammad Baqir as-Sadr's Lessons is a key study of Islamic jurisprudence. It covers topics from the general characterization of jurisprudence to such specialized issues as the assessment of the verbal divine-law argument, study of procedural principles, and reflections on the resolution of conflicting arguments. The new translation by Roy Mottahedeh from the original Arabic employs a carefully designed and appropriate English terminology, and features a significant amount of supporting material including a glossary of legal and theological concepts , and a full index of Arabic terms.