Introduction: Trade and Exchange in Historical Perspective; T.G. Baugh, J.E. Ericson. The North American Southwest: Trade Networks and Exchange Systems of the Anasazi; J.F. Mathien. Ceramic Perspectives on Northern Anasazi Exchange; E. Blinman, C.D. Wilson. The Structure and Organization of Hohokam Exchange; R.H. McGuire. Marine Shell Ornament Production at Casas Grandes, Chihuahua; R.J. Bradley. Mesoamerica: The Role of Turquoises in the Ancient Mesoamerican Trade Structure; P.C. Weigand, G. Harbottle. Prehistoric Exchange Relationships between Central Mexico, Oaxaca, and the Gulf Coast; R.S. Santley, C.A. Pool. Prehistoric Trade in the Mayan Region; P. McAnany. A View from the South; J.W. Hoopes. Comments on Prehistoric Exchange Systems in the American Southwest and Mesoamerica; S. Plog. Index.