Japan Pilot Vol 4
"Often referred to as Pilots, Sailing Directions are designed for use by the merchant mariner on all classes of ocean-going vessels with essential information on all aspects of navigation. Sailing Directions are complementary to Admiralty Standard Nautical Charts and provide worldwide coverage in 74 volumes.
Each publication contains quality colour photography and views, as well as information on navigational hazards, buoyage, meteorological data, details of pilotage, regulations, port facilities and guides to major port entry."