Stephen Cooper was a solicitor for almost forty years, in private practice and then in the Government Legal Service. He has written three books on medieval military history for Pen & Sword Books; and written and published three on local history and the 7th Earl Fitzwilliam’s search for buried treasure: Earl Fitzwilliam’s Treasure Island (with John Moorhouse, 2016), Cocos Island and the Treasure of Lima (2017) and The Jubilee Poacher (2018).