Title: The heart of iron
Description: Agents Boo and Asano must journey behind enemy lines into the heart of Queen Misery's empire - Iron City - a wonderland of technical marvels that holds many secrets. With the clock ticking, Boo must make a difficult choice: should she follow her orders ... or her heart?
Subjects: Science fiction, Juvenile fiction, Spies, Fiction, Comics & graphic novels, manga, science fiction, Missing persons, fiction