Contours of Islamic Theology explores the core debates that shaped Islamic thought through a comparative study of the Muʿtazilī, Atharī, Ashʿarī, and Māturīdī traditions. Addressing enduring questions such as divine decree (al-qadar), human responsibility, the nature of God’s attributes, and the role of reason in faith, this book shows that these issues have long been examined with depth and precision within the Islamic tradition. By presenting each school’s framework side by side, it helps readers understand not only what these traditions believed, but also how they reasoned. What may appear as contradiction is revealed as a structured and thoughtful intellectual diversity. Clear, accessible, and academically grounded, this work is ideal for readers, especially in the West, who seek a deeper understanding of Islamic theology beyond surface-level discussions.