Reading another article about Chinese prisoners possibly making products for sale in the UK (Chinese prisoner’s ID card apparently found in lining of Regatta coat, 1 December), I wonder why there is no concern that British prisoners are forced to work for UK companies for about 50p an hour? This work provides no training for release and serves only to enrich private prison contractors.David AdamsDarlington, County Durham How appropriate that on the day you note that Katherine Rundell, the author of The Golden Mole, has won the Waterstones book award…