Layton, UT: Gibbs Smith, (2007). First edition - An exploration of this ancient image, including its origins, depictions in rock art, and a guide to the Southwestern sites where these images can be seen. Illustrated throughout with maps, drawings and photographs,including a section in full color. Foreword by R. Carlos Nakai, Native American flutist. Introduction by Robert Wayne Mirabal. Bibliography, index. xv, 199 pp. ISBN: 978-1423601746.