P. K. Gupta is an internationally known toxicologist with more than 55 years of experience in the field of teaching, research, and research management in the field of toxicology. To his credit, Dr. Gupta has several books and book chapters (John Wiley & Sons; Elsevier, Academic Press; Merck & Co., Mariel Limited; Springer Nature; etc.) as well as scientific research publications (735) published in national and international peer-reviewed journals of repute. He has been a book review editor at Marcel Dekker, New York; an expert member consultant and advisor to WHO, Geneva; a consultant at the United Nations FAO, Rome, and IAEA, Vienna. He has been the founder and past president of the Society of Toxicology of India; founder, director, and member of the nominating committee of the International Union of Toxicology; and founder and editor-in-chief of the peer-reviewed PUBMED-indexed scientific journal Toxicology International. In addition, Dr. Gupta has also been the biographer for several editions of WHO’s WHO from all over the world, including Marquis WHO’s WHO (USA), IBC (UK), and other leading publications of the world. His name appears in the UP Book of Records and Limca Book of Records for his unique scientific contribution in toxicology. At present, Dr. Gupta has been a former Chief of the Division of Pharmacology and Toxicology, Indian Veterinary Research Institute. Presently he is the director of the Toxicology Consulting Group and president of the Academy of Sciences for Animal Welfare.

• Part 1 General and Principles of Toxicology.- A Historical Glimpse and Stalwarts.- General Toxicology.- Principles of Toxicology.- Mechanism of Toxicity.- Part 2 Disposition and Kinetics.- Disposition of Toxicants.- Toxicokinetic of Xenobiotics.- Part3 Organ Toxicity.- Target Organ Toxicity.- Part4 Non-Organ-Directed Toxicity.- chemical carcinogenesis.- Genetic Toxicology.- Developmental Toxicology.- Part5 Toxic Agents.- Pesticides.- Metals and Micronutrients.- Solvents. Gasses and Vapors.- Toxicology of Nanomaterial Particles.- Toxic Effects of Calories.- Part6 Plants, Biotoxins and Food Poisonings.- Plant Toxicity.- Biotoxins and Venomous Organisms.- Poisonous Foods and Food Poisonings.- Part7 Radioactive Materials.- Radiation and Radioactive Materials.- Part8 Applications of Toxicology.- Food Toxicology.- Ecotoxicology.- Environmental Toxicology.- Analytical and Clinical Toxicology.- Occupational Toxicology.