Alight

"The planet Omeyocan may be the sanctuary Em and her comrades seek. But the planet for which they were created turns out not to be a pristine, virgin world. Vestiges of a lost civilization testify to a horrifying past that may yet repeat itself. And when a new enemy creeps from the jungle shadows, Em and her young refugees learn there's nowhere left to run. They face a simple choice: fight or die"--Amazon.com.