Description Contents: Torrence, Robin: Tools as optimal solutions. Hayden, Brian: From chopper to celt: The evolution of resharpening techniques. Camilli, Eileen: The occupational history of sites and the interpretation of prehistoric technological systems: An example from Cedar Mesa, Utah. Morrow, Carol A., Jefferies, Richard W.: Trade or embedded procurement?: A test case from southern Illinois. Jeske, Robert: Economies in raw material use by prehistoric hunter-gatherers. Lurie, Rochelle: Lithic technology and mobility strategies: The Koster site Middle Archaic. Torrence, Robin: Re-tooling: Towards a behavioral theory of stone tools. Boydston, Roger A.: A cost-benefit study of functionally similar tools. Myers, Andrew: Reliable and maintainable tehnological strategies in the Mesolithic of mainland Britain. Gero, Joan M.: Assessing social information in material objects: How well do lithics measure up? Jochim, Michael A.: Optimization and stone tool studies: Problems and potential.