From INVASION author Jon S. Lewis 'I’m excited about my new book, Invasion, and I need your help to spread the word. But I don’t like asking favors without giving something in return, so one of you is going to end up with my signed copy of Eclipse from the Twilight Saga by Stephenie Meyer."   HOW IT WORKS You’ll earn points between now and May 1, 2011 based on doing any of the below. Each point…