Journey Down — M.J. Padgett

Journey Gray and Chance Prince go to the grave together. That's prophecy. Between warring factions and skirmishes against neighboring planets, Terra is a dangerous place. When Journey's father is gunned down near Penn Station, she's left with no choice but to run. Chance has been by her side forever, but when Journey's escape from Terra goes wrong, they end up in a war she never meant to spark. Just when all hope is lost, there's a glimmer of light at the end of the tunnel if she can survive hostile aliens, comrades who hate her, and a boy who ruffles her feathers.