The most popular intelligence & espionage books of 2025

Intelligence and espionage books tell the true stories of spies and secret services. Double agents, code-breakers, covert operations and famous betrayals are reconstructed from archives and interviews. If you enjoy spy novels, the real history is often stranger and just as gripping. This list shows the ones first published in 2025.

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Allan Pinkerton
Cover of Allan Pinkerton

Allan Pinkerton

Rhodri Jeffreys-Jones

Published 2025

328 pages

Ardennes
Cover of Ardennes

Ardennes

Charles Whiting

Published 2025

230 pages

Look or Leap?
Cover of Look or Leap?

Look or Leap?

National Intelligence University, CDR Kelly Tongol Professor of Practice

Published 2025

56 pages