A major collapse of the power grid is inevitable. There are numerous scenarios that could cause a failed power grid that could leave large sections of the country or world in the dark. If you don't what could cause a massive power grid failure, you need to read the book. It isn't just the lights that go out. Everything will grind to a halt and it will be survival of the fittest, or in this case-the most prepared. Do you know what you need to prepare...