Classics, modern fiction, non-fiction and more. Written for secondary and adult students the Oxford Bookworms Library has seven reading levels from A1-C1 of the CEFR. Listen along with downloadable MP3 audio. Every day someone steals money from people near the shops. We must stop this,' says Dan, a police officer. The police use TV cameras but it is not easy because there are so many suspects - who is the robber?