Her Majesty's Spymaster: Elizabeth I, Sir Francis Walsingham, and the Birth of Modern Espionage

Sir Francis Walsingham's official title was principal secretary to Queen Elizabeth I, but in fact this pious, tight-lipped Puritan was England's first spymaster. A ruthless, fiercely loyal civil servant, Walsingham worked brilliantly behind the scenes to foil Elizabeth's rival Mary Queen of Scots and outwit Catholic Spain an