The Teacher's Solution

Imagine, Returning from a 100 year space journey to see your planet empty of life, as if it never existed. Then learning that, not only was it stripped of all its natural resources, but a deadly virus capable of wiping out all life is the only thing remaining. Join Captain Roy Manning and his crew of the Glory try to solve the Riddle, leading him to a large, cold planet where the war-like inhabitants have destroyed a primitive people for their water. When he discovers two wonderous machines buried for millions of years, his ship is destroyed in a fight for survival. Follow the last ten "Earthers" as they travel back to the age of the dinosaurs without weapons to stop over twenty well-armed aliens from wiping out mankind.