Cave Art, Perception and Knowledge. By Mats Rosengren. 222mm. Pp xiii+169, 6 b&w ills. Basingstoke: Palgrave Macmillan, 2012. isbn 9781137271969. £55 (hbk). - Painted Caves. Palaeolithic Rock Art in Western Europe. By Andrew J Lawson. 250mm. Pp xxxiv+446, 8 col pls, many b&w figs. Oxford University Press, 2012. isbn 9780199698226. £91 (hbk).