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.

Little Mary Lennox is a bad-tempered, disagreeable child. When her parents die in India, she is sent back to England to live with her uncle in a big, lonely, old house. There is nothing to do all day except walk in the gardens - and watch the robin flying over the high walls of the
secret garden... which has been locked for ten years. And no one has the key.

CEFR B1
Word count 10,715