With the gang trapped in detention and out of the way, MissQuill accepts Dorothea's astonishing offer: to help remove theArn from her head, and to reclaim her freedom. AlongsideBallon, an imprisoned shape-shifter, Miss Quill travels in ametaphysical engine and is taken to impossible, extraordinaryand dangerous worlds, collecting materials in preparation forher life-changing procedure. After an emotional encounter withher surgeon and a nearly-fatal operation, Miss Quill must finda way to return to Earth: transformed and ready for war.
