The book on Plant Nematology: Cyst and Root Knot Nematodes is the culmination of work experience of the author who has divided it into different chapters writing the first chapter on the history of nematology in detail which is so livid in nature that interested people would like to read it again and again as they engross themselves in it. History is followed by Taxonomy and Classification which is more a comparison between traditional and molecular level taxonomy, diversity of Nematodes in various agro climatic situations, economic importance of nematodes wherein damage to life saving agricultural crops is highlighted with major emphasis on cyst and root knot nematodes induced losses and also expressed their involvement in viral, fungal and bacterial diseases, as entomopathogenic nematode and human parasites and finally their role in nutrition cycle, Methodology and techniques, interaction of cyst and root knot nematodes with other microorganisms, management of cyst and root-knot nematodes and finally two chapters one each on cyst nematodes and root-knot nematodes bringing forth their identifying characters including those of many species and genera particularly in cyst nematodes, classification and biology.