Amazon.com description: Product Description: After a hundred year mission, Roy Manning and the crew of the Glory were looking forward to returning to Earth. Unknown to them, the Medcorians, one of the two races they met in the Pollack System, destroyed their replacement, the Star Ship Inspiration, and went through a magical machine called, the teacher, and changed Earth's history so they would never visit their planet.Follow Manning, as he tries to understand his inner feelings of an adventure that the rest of his crew doesn't remember, and solve the riddles of an Earth that was destroyed by a Roman Empire that never fell. Join Doctor Arnold, as she attempts to save the only person that can help them, and Backman, along with Lamar, a Usian that followed them by going through the teacher, as they, and the last few American Indians prepares to do battle to save North America.