A History of South India by K.A. Nilakanta Sastri is a landmark historical study that traces the political, cultural, and social evolution of South India from prehistoric times through the rise and decline of major dynasties such as the Cholas, Cheras, Pandyas, and the Vijayanagar Empire. It remains one of the most authoritative works on the subject, widely used by scholars and students alike. More details available at Best Book Centre.