The Development of Muslim Theology, Jurisprudence, and Constitutional Theory by Duncan Black Macdonald is an important study that traces the history of theology, jurisprudence, and constitutional theory in the Muslim world. The author examines the influence of Islamic theology on the formation of legal and constitutional views, as well as the development of these directions during the historical period. In his book, Macdonald explores in depth the key concepts and ideas that determined the development of Muslim theology and jurisprudence. It also examines the impact of these aspects on the formation of constitutional theory in the Islamic world. The book is an important source for understanding and analyzing the Islamic intellectual heritage and its impact on the modern world. "Duncan Black MacDonald is a well-known American researcher and scholar in the field of Islamic studies, who, thanks to his detail and objectivity, is noted as an authority in this field. The book "The Development of Muslim Theology, Jurisprudence and Constitutional Theory" will be a useful source of information for students, scholars and all who are interested in the history and development of Islamic thought".