Patrick A. Polk ; with essays and contributions by Vitor Amati, Luís Américo Bonfim, Alicia Gaspar de Alba, Sabrina Gledhill, Ignacio, Carolyn Morrow Long, Jim Pieper, Patrick A. Polk, Katherine Smith, Renée Stout, Stephen C. Wehmeyer, Jeri Bernadette Williams, Steven J. Yazzie