As Jack Eskridge sped through the night toward Chicago, the sky was suddenly lit with a flash of brilliance.Jack stopped the car and ran toward the light. He was greeted by a fantastic sight: a huge, weirdly glowing arch, through which were pouring strange-looking tanks, airships and metallic-clad soldiers carrying sinister weapons.Jack knew he had to get away and warn the country of the invasion. But before he could reach Chicago all the major cities...