Separating myth from reality, The Enemy Within traces the history of espionage from its development in ancient times through to the end of the Cold War and beyond, shedding light on the clandestine activities that have so often tipped the balance in times of war. This detailed account delves into the murky depths of the realm of spymasters and their spies, revealing many amazing and often bizarre stories along the way. From the monkey hanged as a spy during the Napoleonic wars to the British Double Cross Committee in World War II, this journey through the history of espionage shows us that no two spies are alike and their fascinating stories are fraught with danger and intrigue.

In ancient times -- Through dark ages -- Spy, Britannia -- Espionage in the Age of Reason -- Vive la ReÌ?volucion? -- Napoleon's 'secret part' -- Uncivil war -- The godfather of secret service -- Spy fever -- Eastern peril -- Double agents & radio games -- Axis spies against America -- Spies of the Soviet era -- With no end in sight--.