North America is vulnerable to a catastrophic attack that will spell the end of life as we know it. An electromagnetic pulse launched from the atmosphere will shut down the electricity grid and dismantle appliances, water systems, food distribution for weeks, months or even years.

Veteran CIA agents, trailblazing astronomers, physics professors and maverick politicians are just some of the cast of characters in this book that sheds light on one of the most worrisome dangers of the modern age that was only recently declassified.

The worst case is societal collapse and death. But we can avoid this. The only question is will we protect ourselves before it is too late?