Indigenous Life on the Plains is Organized Around Relationships: a Balance of People, Plants and Animals, a Balance of Land and Sky, Matter and Spirit. Every Summer, Peoples of the Great Plains Gather to Ritually Readjust this Balance, to Ensure Survival and Spiritual Continuity. As Circumstances of Life have Changed, the Sun Dance has Adapted in its Details while Maintaining its Essential Sacred Elements. This Book Combines Quotes from Sun Dance Leaders, Participants and Observers from Numerous Tribes, Spanning more than a Century, to Provide a Concise Introduction.