Written by international practitioners and scholars, this pioneering work offers important insights into peace mediation practice today and the role of third parties in the resolution of armed conflicts. The authors reveal how peace mediation has developed into a complex arena and how multifaceted assistance has become an indispensable part of it. Offering unique reflections on the new frameworks set out by the UN, they look at the challenges and opportunities of third-party involvement. With its policy focus and real-world examples from across the globe, this is essential reading for researchers of peace and conflict studies, and a go-to reference point for advisors involved in peace processes.