Wael Hallaq's 'An Introduction to Sunni Legal Theory' provides a masterful historical survey of Islamic jurisprudence. This essential work delves deep into the evolution of legal thought within Sunni Islam, tracing the development of methodologies, principles, and schools of law over centuries. Hallaq, a renowned scholar, offers critical insights into the intellectual debates and theoretical foundations that shaped Islamic law. The book serves as an indispensable resource for students and scholars seeking to understand the intricate history and theoretical underpinnings of Islamic legal systems, highlighting the dynamic nature of ijtihad and legal reasoning.