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.br/br/Listen along with downloadable MP3 audio.br/br/When Tonya and her friends decide to sail around the world they want to see exciting things and visit exciting places. But one day, they meet an orca - a killer whale - one of the most dangerous animals in the sea. And life gets a little too exciting.br/br/CEFR A1br/Word count 1,600.