Earth Under Siege: The Colliding Worlds Trilogy

First contact may be our last.On a dark world far from our home, an epic war started a chain reaction, sending two alien races on a collision course with Earth. Secret battles wage on our soil, brewing a war that could change the face of humanity forever. If we can't prevent an alien armageddon, we'll find ourselves fighting forces with technology thousands of years more advanced than ours. A new ...