The Day After Tomorrow Author:Robert A Heinlein SIX MEN AGAINST 400,000,000! The dean of space-age fiction tells the thrilling story of six men who set out to save America from annihilation. Six men armed with only two weapons: one, a radically new scientific discovery--an atomic energy which can be controlled...the other, their own determination to defend their country against a deadly in... more »vasion.« less