Integrating WASH and MHCP interventions will always require imagination and creativity to adapt the approach to specific conditions, opportunities and constraints in each context. The book is designed to stimulate reflection and encourage initiatives to seek opportunities for closer integration of these two sectors. It provides examples and tools for integration, highlights possible obstacles and proposes strategies for overcoming them. It provides ideas, examples and resources that can be used at all stages of the project cycle. It is intended for readers at strategic and operational levels, in ACF country missions and at headquarters.