Native (COO). 6 1/8 x 9 1/4", 329 pp, University of Texas at Austin, 1976.  Edited Papers from a Symposium held in Tucson, Arizona, Apr 30, 1971, sponsored by the Southwestern Anthropological Association.  Edited by Scott Cook and Martin Diskin.  Presented in four main sections, each with chapters:  One:  Introduction, Two: The Valley System and Related Regional Systems, Three: Producers and Marketers: Case Studies, and Four: Problems in Retrospect and Prospect.  Also includes an appendix of maps and demographic tables, notes and a bibliography.  This is s nice used book showing some overall light reading and use.  There is pricing/etc written at the inside of the front cover, but I see no other extraneous marks.  The photos show you the exact copy offered.  FREE US SHIPPING is included in this offer!! ( mex cook )