Four months of living in the South Sea Island (Micronesia) held under mandate by Japan. Background of English, Spanish and German history, before League turned them over to Japan. Picture of present status of primitive inhabitants, results of civilization, daily life, customs, etc. Informally presented estimate of the strategic importance of the islands to Japan and her penetration into the Philippines. Eminently readable -- for all interested in political and economic importance of Pacific --and in travel in South Seas.