If you want to buy a tractor anywhere in the world, you won't find much difficulty in gathering a colourful array of technical brochures; but if you need to know how to chose the right tree-seedling planter, or you need a machine to slice cassava, you may have to go a long way to find help. Unless, that is, you have at hand the latest (1985) edition of 'Tools for Agriculture'. Developed over the last 20 years, this book is in a class of its own as a 'Buyer's Guide' for Third World agriculture. Although the book is packed with practical information, photos, line drawings and tables you will find it easy to locate the information you require, thanks to the careful thought that has been given to meeting the reader's requirements. Apart from a ...