This book gives facts related to the parasitic activities of nematodes, tells how symptoms of their presence and damage can be recognized and offers recommendations for their control. It is written for the farmer and the home gardener and also for the researcher, the extension officer and the student; in fact, for any person with an interest in crop agriculture in Jamaica and in the wider Caribbean. There are 13 pages illustrating damage symptoms or control methods and tabular reference to specific damage symptoms and control recommendations for over 80 economic crops.