The Oxford Bookworms Library offers an extensive collection of classics, modern fiction, and nonfiction, specifically written for high school students and adults. This series is categorized into seven CEFR reading levels, ranging from A1 to C1. One example is the story of General Sternwood. He possesses four million dollars and has two young daughters who are both beautiful and adventurous. Despite being an old, sick man on his deathbed, he refuses to be blackmailed. He hires private investigator Philip Marlowe to stop the blackmail. Marlowe is well-versed in the dark underbelly of Los Angeles and is unsurprised by anything. Yet, the Sternwood girls have a wilder side than their father realizes. They become entangled in affairs with men, alcohol, and drugs, which goes beyond the mere question of blackmail. This book is suitable for a B1/B2 level according to the CEFR. Intertaal is known as a reliable supplier and guarantees fast delivery of your teaching materials.