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.For a child in the great city of Venice in the thirteenth century, there could be nothing better than the stories of sailors. There were stories of strange animals, wonderful cities, sweet spices, and terrible wild deserts where a traveller could die. One young boy listened, waited, and dreamed. Perhaps one day his father and uncle would return. Perhaps he too could travel with them to great markets in faraway places. For young Marco Polo, later the greatest traveller of his time, a dangerous, exciting world was waiting.