Social Complexity in the Southern Levantine PPNB as Reflected throughLithic Studies: The Bidirectional Blade Industries, by OmryBarzilai. BAR International Series 2180. Oxford: Archaeopress, 2010. x + 194 pp. 123 black-and-white and color figures, 72 tables. Paper. £45.00. [Distributed in North America by The David Brown Book Company]: Bulletin of the American Schools of Oriental Research: Vol 369