This directory offers a detailed picture of particular commodity markets, plus a means to compare markets of over 200 natural, tropical commodities. It also lists country of origin, areas of consumption and grades in which commodities are traded. Products covered include grains, spices, gum and waxes, essential oils, flavorings, natural chemicals, fruits and vegetables. -- Describes the system by which the commodities are traded and the main features of their markets -- Lists countries of origin, areas of consumption and the grades in which they are traded.