With supplement no. 5 (1977). Eighth edition (1971) with supplement no. 5 (1977) of the standard pilot guide for the South Indian Ocean published by the British admiralty. It provides the latest admiralty sailing directions and information for sailing in the ocean and along and around the coasts of Madagascar and the east coasts of Africa.The book starts with a foreword by G.P.D. Hall, rear-admiral and hydrographer of the navy. It has 11 chapters. The first chapter includes general information about the South Indian Ocean and vicinity, such as details on the islandsgovernments, climate, dependencies, flora, fauna, populations, trade, products, shipping, currency, weights, measures, time and health. The other chapters give detailed navigation details (directions, latitudes and longitudes, shoals, tides, widths, anchorage, dangers) for, as the title says, "Madagascar, Îles Comores, Île de la Réunion, Mauritius, Seychelles Group, Chagos Archipelago" and other islands lying westward of 8