Take a look inside the covert world of espionage - its history, the hi-tech spy gadgets and aspects of spycraft from surveillance to assassination. DK's Ultimate Spy is filled with stunning, specially commissioned photographs that show details of equipment including spycams, bugs, weapons and drone aircraft. From the earliest intrigues at royal courts through the covert operations of the CIA and KGB during the Cold War to the revelations from Wikileaks and Edward Snowden, delve into the secret world of espionage.