This book is a clear, practice-focused guide to beneficial nematodes and their roles in pest control and soil health. It explains predator and parasite nematodes, how they associate with insects and other pests, and what their life cycles look like. You'll learn the essentials of entomopathogenic nematodes (EPN)Steinernema, Heterorhabditis, and Oscheiustheir biology, how they kill pests, and how to produce, formulate, store, and apply them in the field. Real-world notes on efficacy, success stories, and integration with other biocontrol tools help readers put ideas into action. The book also shows how nematodes serve as bioindicators of pollution and contribute to organic matter recycling, linking pest management with healthier soils and ecosystems.