The Alien's Battle - Mission Mars

About this book

After their attack on Earth was prevented at the last second, the Lankies have retreated to Mars. The humans are far from safe because it is only a matter of time before the aliens attack the blue planet again. Sergeant Andrew Grayson is tasked with strengthening Earth's defenses and training new space soldiers. But Grayson has problems of his own right now, and if he fails, the fate of mankind will again hang by a thread.