This textbook covers all the essential elements of pharmacokinetics, from basics to applications. It describes authoritative equations and methods on pharmacokinetic evaluation procedures with their importance. Each chapter of the book is supplemented with numerous illustrations and figures for easy understanding of the subject. The book presents mathematical techniques, step- by-step descriptive equations, and applicable statistical analysis methods for the easy understanding of the topic. Further, it covers the preclinical applications and methods of pharmacokinetic aspects. The book also contains mathematical problems and questions related to pharmacokinetics for students. Special emphasis is on recent pharmacokinetic methods and their applications for managing clinical data and biostatistical approaches based on the current literature. This book is primarily meant for researchers and students from academic institutions and to R&D professionals.