‘A superbly researched and groundbreaking account of Soviet espionage in the Thirties ... remarkable’ 5* review, Telegraph On the trail of Soviet infiltrato

The incredible true story of a British physicist who was an undercover spy for the Soviets. The world first heard of Klaus Fuchs, the head of theoretical physic

A true story detailing how the CIA runs its agents, and how brutally the KGB hunts down its turncoats

NEW YORK TIMES BESTSELLER • The celebrated author of Double Cross and Rogue Heroes returns with a thrilling Americans-era tale of Oleg Gordievsky, the Russian

The Untold Story of Britain's First Female Special Agent of World War II In June 1952, a woman was murdered by an obsessed colleague in a hotel in the South Ken