The Seignso have our own plans for the remains of Genghis Khan.::

An enigmatic alien race called the Seignso has cloned an ancient emperor to lead an unstoppable army. Gifted with superhuman powers and advanced technology, he sets his sights on his home planet, Earth, and then... the stars! However, countermeasures have already been set in motion. An Iowa farm boy, oblivious to his powers or destiny, is thrust into a battle that will decide the fate of humanity.

A thrilling, interstellar adventure from the author of The Weller and War of the Worlds: Goliath!