The world's oldest ocean-going passenger ship, the MV Doulos, cruises into Victoria Harbour for a month's stay to showcase its worldwide floating book fair. Manned by 320 volunteers from more than 50 countries, the Doulos, built in 1914, will be berthed at Ocean Terminal until October 7. The book fair features 6,000 titles, including 200 in Chinese. Since 1978, the Doulos has visited more than 100 countries and received 20 million visitors.