In a captivating tour of cities famous and forgotten, acclaimed historian Ben Wilson tells the glorious, millennia-spanning story how urban living sparked humankind's greatest innovations.

A powerful, fascinating, and groundbreaking history of Checkpoint Charlie, the famous military gate on the border of East and West Berlin where the US confronted the USSR during the Cold War.

On the morning of August 13, 1961, the residents of East Berlin found themselves cut off from family, friends, and jobs in the West by a tangle of barbed wire that ruthlessly split a city of four million in two. Within days the barbed-wire entanglement would undergo an extraordinary metamorphosis: It became an imposing 103-mile-long wall guarded by 300 watchtowers. A physical manifestation of the struggle between Soviet Communism and American capitalism that stood for nearly 30 years, the Berlin Wall was the high-risk fault line between East and West.

In the developed world, we’ve reaped the benefits of refrigeration for more than a century, but the costs are catching up with us. We’ve eroded our connection to our food and redefined what “fresh” means. More important, refrigeration is one of the leading contributors to climate change. As the developing world races to build a US-style cold chain, Twilley asks: Can we reduce our dependence on refrigeration? Should we?

This is a story that starts off close and goes very big. The initial part of the story might sound familiar at first: it is about a platoon of mostly 19-year-old boys sent to Afghanistan, and an experience that ends abruptly in catastrophe. Their part of the story folds into the next: inexorably linked to those soldiers and never comprehensively reported before is the US Department of Defense’s quest to build the world’s most powerful biometrics database, with the ability to identify, monitor, catalog, and police people all over the world.