Navigating Complexity: A Practice Guide- Second Edition equips project and program professionals with the frameworks and mindset needed to manage nonlinear, unpredictable environments through systems thinking and adaptive strategies. This updated edition explores the six types of project complexity, provides guidance on developing leadership competencies for decision-making amid ambiguity, and offers practical approaches for building enterprise agility and resilient teams. By distinguishing true complexity from mere complication, the guide helps practitioners embrace uncertainty as an opportunity for project success.