Hidden Secrets: The Complete History of Espionage and the Technology Used to Support It Book

	Foreword	6
	Introduction	10
Section 1	Humint: The Spy on the Ground
Chapter 1	The Early Days	16
Chapter 2	Spies in the Great Wars	32
Chapter 3	Spies in Peace Time	52
Section 2	Sigint: Voices in the Ether
Chapter 4	Codes and Ciphers	74
Chapter 5	Beating the Machines	90
Section 3	Elint: Electronic Intelligence
Chapter 6	Electronic secrets - on the ground	108
Section 4	False Intelligence
Chapter 7	Deliberate Deceptions	130
Section 5	Imint: Imagery Intelligence
Chapter 8	Airborne Intelligence	154
Chapter 9	Satellites and Space Intelligence	172
Chapter 10	Espionage in the 21st Century	184
Chapter 11	Spying on the Terrorists	196
	Glossary	221
	Index	222
	Bibliography and Photo Credits	224