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.When we are happy, we are always good,'' says Lord Henry, ''but when we are good, we are not always happy.'' Lord Henry''s lazy, clever words lead the young Dorian Gray into a world where it is better to be beautiful than to be good; a world where anything can be forgiven - even murder - if it can make people laugh at a dinner party.