Había una vez... There lived a girl named Petra Peña, who wanted nothing more than to be a storyteller, like her abuelita. But Petra's world is ending. Earth has been destroyed by a comet, and only a few hundred scientists and their children — among them Petra and her family — have been chosen to journey to a new planet. They are the ones who must carry on the human race. Hundreds of years later, Petra wakes to this new planet — and the...