Crimson Sky

Ten years ago, the sky shattered and the Hellions emerged. No one was able to keep them from destroying the city of Westraven. Now that the bloodthirsty monsters rule the skies and have forced the few remaining humans underground, Claire Abernathy lives in a nightmare. She survives by using her skills as an engineer for a ruthless tyrant connected to her mother and father’s past failure.

Then Claire’s world is torn apart when her sister Abby is kidnapped by the Hellions, and Claire herself i...