The fourth edition of this highly regarded book has been considerably enlarged to cover all aspects of cocoa production. Higher prices for cocoa have led to much new knowledge about the plant and changes to its methods of production. These are discussed, along with new problems that have occurred and the fresh research projects that have been needed.

G A R Wood, B.A. (Cantab), D. T. A.(Trinidad) had over 30 years experience of cocoa growing as a Tropical Agricultural Adviser and as a Cocoa Consultant. He was editor of 'Cocoa Growers' Bulletin from its first issue in 1963 until 1980 and was a much respected authority on the crop.

R A Lass, B.Sc. (Agric), D.T.A.(Trinidad) is currently Cocoa technical Manager for Cadbury Schweppes plc and editor of 'Cocoa Growers' Bulletin'. He is involved in many international cocoa research and extension projects in various cocoa-growing areas and has been employed as consultant by a wide variety of international agencies.