Julian Whitehead read History at Oxford after which he joined the Intelligence Corps and spent a full career in military intelligence; his appointments have included Chief of Staff of the Defence Intelligence Centre and Deputy Director of Defence Security. After leaving the army he spent ten years as Security Advisor to Historic Royal Palaces and is now retired and lives in Oxfordshire. Pen and Sword have publish his previous books Cavalier and Roundhead Spies in 2009, Rebellion in the Reign of Charles II in 2017, Cromwell and his Women in 2018 and Espionage in the Divided Stuart Dynasty 1685-1715 in 2020