(Rated PG-13.) Ismene has a thankless employer. Years of research experience go down the drain when her contract is offered to another business as a "favor" to her. It's take the new job, or face unemployment—and there are laws about that. Worst of all, she'll never see the Castle again. Its vast corridors beckon with luxury and mystery. Its seemingly-magical library stocks centuries' worth of knowledge. Its records could transform her society. It has invited her to stay there—if she can make it. The Castle's ancient Voice needs a successor soon, or its systems will shut down...