Transboundary water resources management has become an increasingly challenging issue in many parts of the world, as it is related to water security, economic development and peaceful relations between riparian countries. The recently published book entitled “Transboundary Water Resources Management: A Multidisciplinary Approach” of which I am an editor, serves as a practical guide and describes state of the art methodologies and case studies on sharing data, mathematical modelling, resolving water conflicts, and legal and socio-economic issues.