Crashlanded on Planet Four, Addy and her precarious group of allies find themselves in the middle of a war larger than they can imagine. Fleets of seemingly automated machines abduct every person they can find as they thresh away at the other side: Continent sized forests of massive mushrooms, tended by a people called the Vivilii. Choosing the Martian natives over certain abduction, Addy and Co. find themselves just as compelled when the Vivilii...