1. Introduction 2. Throgmorton And Walsingham 3. Tudor Cryptography And Psychological Warfare 4. Sir Henry Wotton And Thomas Chamberlain 5. John Thurloe: Cromwell’s Spy-Master 6. From Secretary Morrice To Matthew Prior 7. Daniel Defoe 8. The Drive Against Jacobite Espionage 9. William Eden Re Organizes The Secret Service 10. Wellington’s Intelligence Service 11. Thomas Beach: Doub…