Title: Three of diamonds [three books in one!]
Description: Three adventures about a pair of hapless detective brothers.
Subjects: Tim Diamond (Fictitious character), Juvenile fiction, Nick Diamond (Fictitious character), Private investigators, Brothers, English Detective and mystery stories, Children's stories, English, Children's fiction, Brothers and sisters, fiction, Humorous stories, Mystery and detective stories, London (england), fiction, Paris (france), fiction, Detective and mystery stories, Détectives, Romans, nouvelles, etc. pour la jeunesse, Frères, Histoires pour enfants anglaises