This Primer provides change leaders with a clear understanding of how to bring about system-wide change in today's rapidly shifting landscape. Change leaders need a solid foundation from which to guide their organizations toward greater adaptability. Based on metaphors from complexity science, this book offers key building blocks to establish that foundation from which change leaders can increase the adaptive capacity of their organizations. Each chapter takes complex ideas and uses simple language to describe the five building blocks required to help change leaders see the patterns in their systems, understand the dynamics at play and be able to intervene to move toward sustainability. Change leaders can read this book now and begin action within hours.