Three volumes by the same author on animal draft power have recently been published in English by GATE (Deutsches Zentrum fur Entwicklungtechnologien) and GTZ (Deutsche Gesellschaft fur Technische Zusammenarbeit). Paul Starkey is an authority on the subject. In 'Animal-Drawn Wheeled Toolcarriers - Perfected yet Rejected' he tells the story of the animal-drawn wheeled toolcarriers, whose simple solution to the problems of carriage somehow remains unacceptable to farmers. Starkey draws hits information from more than 30 countries, and synthesizes it into a detailed history of three decades of research, development and promotion. The toolcarriers enjoyed considerable success on research stations, but were rejected by the farmers in t...