Title: The Lost Property Office (Section 13)
Subjects: Missing persons, Secret societies, Mystery and detective stories, Americans, Fiction, Children's fiction, Missing persons, fiction, London (england), fiction, Fantasy fiction, Juvenile fiction, JUVENILE FICTION, Fantasy & Magic, Mysteries & Detective Stories, Action & Adventure, General, Americans Dalston (London, England), Personnes disparues, Romans, nouvelles, etc. pour la jeunesse, Sociétés secrètes