L. Ron Hubbard

If you liked Dune, Atlantis Gene, Foundation, Ender's Game, and Starship Troopers, you'll love Battlefield Earth. Sadistic Aliens... ...Man is an endangered species. Is it the end of the world or the rebirth of a new one? In the year A.D. 3000, Earth is a dystopian wasteland. The great cities stand crumbling as a brutal reminder of what we once were. When the Psychlos invaded, all the world’s armies mustered little resistance against the advanced alien weapons. Now, the man animals serve one purpose. Do the Psychlos’ bidding or face extinction. One man, Jonnie Goodboy Tyler, has a plan. They must learn about the Psychlos and their weapons. He needs the other humans to follow him. And that may not be enough. Can he outwit his Psychlo captor, Terl? The fate of the Galaxy lies on the Battlefield of Earth.

A novel of compelling suspense. Professor James Lowry didn' believe in spirits, or witches, or demons. Not until a gentle spring evening when his hat disappeared, and suddenly he couldn't remember the last four hours of his life. Now, the quiet university town of Atworthy is changing - slightly at first, then faster and more frighteningly each time he tries to remember. Lowry is pursued by a dark, secret evil that is turning his whole world against him while it whispers a warning from the shadows: If you find your hat you'll find your four hours. If you find your four hours then you will die...