Harland & Wolff is a shipyard in Belfast, Northern Ireland. It specialises in ship repair, conversion and offshore construction. Harland & Wolff is famous for having built the majority of the ocean liners for the White Star Line. Well-known ships built by Harland & Wolff include: the Olympic-class trio – RMS Titanic, RMS Olympic and HMHS Britannic; the Royal Navy's HMS Belfast; Royal Mail Line's Andes; Shaw Savill's Southern Cross; Union-Castle's RMS Pendennis Castle; and P&O's Canberra. Harland and Wolff's official history, Shipbuilders to the World, was published in 1986.