No. 38 (2017) No. 38 (2017) Full Issue View or download the full issuePDF Table of Contents EditorialPDF F.W.F. Foulds4 Papers Human perception of symmetry, raw material and size of Palaeolithic handaxesPDF Supplementary material: PDF D. Tumler, L. Basell, F. Coward5 Some observations on platform preparation at Sungir’, RussiaPDF R. Dinnis, N. Reynolds, A. Bessudnov, A. Denisova18 A middle palaeolithic bout coupé handaxe from Shirley, SurreyPDF C.J.W. Taylor32 A Late Mesolithic or Early Neolithic findspot on Barningham Moor, County Durham, UKPDF G. Robinson, F.W.F. Foulds32 A preliminary note on core reduction methods at the open-air site of Vadopampa, Ayacucho, PeruPDF A. Pérez Balazero40 The Isle of Portland, Portland chert and Neolithic arrowheads: qualities and connectionsPDF R.J. Stewart57 Book & Conference Reviews Late Quaternary (Upper Palaeolithic, Mesolithic and later prehistoric) human activity in the Darent Valley at Lullingstone County Park, Eynford, Kent (Anderson-Whymark and Pope 2016)PDF J.T. Hogue72 A report on the Butser Ancient Farm Knapping Weekend, 11th–13 th August 2017PDF T. Paterson76 Minutes & Finances Minutes of the Annual General Meeting (2017)PDF Lithic Studies Society78 Treasurer’s Statement of Accounts (30 September 2017)PDF Lithic Studies Society82 ErrataPDF Lithic Studies Society83