This book provides a unique opportunity to integrate the knowledge on regional-scale riverine reviews to local-scale case-studies, ranging from availability to pollution, national-level river management to transboundary governance. It is an unparalleled attempt to build the bridge between the science of rivers and its history and socio-politics, thus articulating the due credence of rivers from ancient civilizations to modern human societies. The chapters in this book are organized by the sub-sections of i) Hydrology, ii) Hydrosocial and iii) Hydro-heritage, thus providing a unique knowledge on the river studies for historians, scientists, planners, social scientists and policymakers, and are written by leading experts and researchers from across the globe.