Roon is a cacheme, an organic human born of inorganic human extravagance. Her memory erased, she has only one clue to her past: her name. No longer of use to the people who created her, she wakes up in a glass box in a room full of girls in glass boxes on an airship, far away from the people and places that formed her identity, her past. Bukef is a hull-part-beast, part-war-machine. Hulls are built to bond with soldiers, their...