The Book of Medicinal Chemistry-I, edited by Dr. Surya Prakash Gupta and Ms. Shikha Singh, is a comprehensive guide that provides an in-depth exploration of key topics in medicinal chemistry. This book is authored by a team of experts from the Rajiv Gandhi Institute of Pharmacy, AKS University, Satna, Madhya Pradesh, and covers a wide range of subjects including drug metabolism, neurotransmitters, adrenergic and cholinergic systems, sympathomimetic and parasympathomimetic agents, adrenergic blockers, sedatives, hypnotics, antipsychotics, anticonvulsants, general anesthetics, and analgesics. Each chapter is crafted to provide detailed insights into the mechanisms, therapeutic applications, and pharmacological aspects of these critical areas, making it an essential reference for students, researchers, and professionals in the field of pharmaceutical sciences.