On the night of 10 February 1567 an explosion devastated the Edinburgh residence of Henry Stewart, Lord Darnley, second husband of Mary, Queen of Scots. Found naked amongst the destruction, the bodies of Darnley and his valet bore marks of strangulation. Alison Weir’s investigation of Darnley’s murder is set against one of the most dramatic periods in British history. Her conclusions shed a brilliant new light on the actions and motives of the conspirators and, in particular, the extent of Mary’s own involvement.’A monumental piece of historical detective work’ Observer