The Fourth Man: The Hunt for a KGB Spy at the Top of the CIA and the Rise of Putin's Russia

The explosive, never-before-told story of the thrilling hunt for a KGB spy in the top ranks of the CIA, revealing how spies blinded the US to the rise of Putin and Russia’s dangerous future, from New York Times bestselling author and former CIA officer Robert Baer.

We think we know all the Cold War’s greatest spy stories. The tales of America’s greatest traitors have been told over and over. However, the biggest story of them all remains untold—until now. Rumors have long swirled of another...