The present book Archaeology of Amaravathi River Valley : Porunthal Excavations seeks to update our knowledge based on the findings obtained from the intensive explorations and two seasons of controlled excavations at Porunthal to understand the processes of cultural transformation from Iron Age to Historic period through mutually supportive work & interpretative techniques. The archaeological, epigraphical, literary and numismatic data are analysed and synthesized within a given political, social, economic and religious context to give a cohesive picture on the historical settings of the micro-region. The micro-level maps provide a good amount of knowledge on the emergence and re-emergence of settlements. The carefully prepared illustrations are self-explanatory and educative. The book provides a kaleidoscopic view on the nature of cultural process that undergone in the long span of human life.