producción de instrumental lítico en Tiwanaku / Stone Tool Production in the Tiwanaku Heartland: El impacto del surgimiento y expansión del estado enSouth American Archaeology Series No 11 This research explores the characteristics of stone tool production in the heart of the Andean state of Tiwanaku, comparing tool production on urban and rural settlements and at elite and non elite sites. Models of the Tiwanaku state are tested, and comparisons with the contemporaneous Wari state are explored. No evidence of craft specialization was recovered from urban or rural sites. The author demonstrates