An excellent introduction to the shadowy world of espionage, how the superpowers went about it and how it impacted on the wider Cold War.
An authoritative, richly illustrated summary on the major confrontation of four superpowers over the city of Berlin, including the Berlin Airlift, in 1945-1949.
The story of the Wall built by East Germany to keep their workforce from fleeing West, how the world reacted to it, and how it almost led to WWIII.