The Grid: Potomac Book Club Series Book

The United Nations and two rogue countries come together with a plot to rule the World. Iran and North Korea send, high into the atmosphere, a series of EMP (Electromagnetic Nuclear Bombs). When they explode, planes fall from the sky. Cars made after the mid-70s won't run and the entire Western Hemisphere is cast into darkness. Suddenly thrust back into the Stone Ages, only those who have the skill and the will to live, survive. It is up to a hand full of heroes to defeat the evil armies that come to take over the lands.