Walker, K. (Ed.), 2018b. Stonechat: The e-Newsletter of the Implement Petrology Group, Volume 6. pp 23. CONTENTS Editorial Supply and demand in prehistory? Economics of Neolithic Mining in NW Europe (NEOMINE), Stephen Shennan, Andy Bevan, Kevan Edinborough, Tim Kerig, Mike Parker Pearson and Peter Schauer A contextual and comparative analysis of the uses and significance of Northern British perforated stone implements: a preliminary study, Amber Roy Radio 3 Quartz, a recommendation from Timothy Darvill Shetland Workshop and IPG field trip, May 2017, Alison Sheridan Vin’s memorial book: call for papers, Katharine Walker Review of the Neolithic Studies Group Meeting on ‘Extracting more than a rock? Insights into the acquisition of stone and flint in the Neolithic’, November 2017 DOWNLOAD PDF Available here