The world's species of (Anguilla) eels; the market demand for eels in Europe; life history of the Japanese eel (Anguilla japonica); culture methods - in still-water and in running-water; method and organization of the eel culture industry in Japan; choosing a site for an eel farm; eel farm design and construction; water quality and its control; the feeding of eels; on diseases and parasites - recognition and treatment; catching, sorting, transporting and killing eels; month by month management of ponds in the Hamanako area if Japan; how elvers are caught and treated; how to cook eels: Kabayaki, smoked and jellied; developments in Japan, Europe, America, New Zealand, Australia and in the tropics; check list of requirements for starting an eel farm; list of useful books and magazines; the meanings of some Japanese words; status and organization of aquaculture in Japan; suppliers of feeds and equipment in Japan.