This comprehensive book on Pesticide Residue Analysis serves as an essential resource for analytical chemists, food safety officials, environmental scientists, and students navigating the complex field of pesticide detection. The text opens with the principles and scope of residue analysis, establishing the fundamental need for monitoring these chemical contaminants in our food supply and environment. It then delves into the chemistry and behavior of pesticide residues, explaining how these compounds transform, degrade, and persist under various conditions. Readers are guided through critical sampling strategies and sample preparation techniques, where proper collection and handling are emphasized as the foundation of accurate results. The book dedicates substantial coverage to chromatographic techniques, the workhorses of residue analysis, including gas and liquid chromatography coupled with mass spectrometry. A full chapter explores spectroscopic and advanced analytical methods, introducing readers to infrared, Raman, and nuclear magnetic resonance spectroscopy as complementary tools. Method validation and quality control receive thorough attention, ensuring that laboratories can produce defensible and reliable data. The scope extends to residue monitoring in food and agriculture, examining how surveillance programs protect consumers across commodities like fruits, cereals, dairy, and aquatic products. Environmental residue analysis addresses the fate of pesticides in soil and water. The regulatory frameworks and food safety standards chapter connects analytical science to legal requirements, including Codex Alimentarius and national tolerances. Finally, the book looks toward innovations and future perspectives, discussing nanotechnology, biosensors, and portable devices that will shape the next generation of residue analysis. Throughout, the writing remains practical and accessible, making this an indispensable reference.