Worldwide more and more organizations working in water management see the strategic importance of cross-border cooperation at regional level. Sometimes driven by international legislation, or sometimes as a result of identifying joint opportunities and benefits. Developing this form of cooperation is however still an area that needs some uncovering. The book Crossing Borders. Creating and Managing Cross-border Regional Alliances by Jan van der Molen and Hannah Ietswaart clearly describes how this cooperative process is initiated and clarifies further steps of implementation. This concisely written book can be downloaded for free at the website www.crossingbordersacademy.org.