This Production and Inventory Management text book integrates both production and inventory management knowledge into an easy understanding pattern, step-by-step explanation, with a number of examples, exercises, and case studies to follow. It presents various perspectives of production and inventory management, both in theories and real case studies. Topics focus on production, inventory, and supply chain management, including sales and operations plan, master production scheduling, material requirements planning, distribution requirements planning, capacity planning, inventory management, inventory management: managing uncertainties, theory of constraints, waiting line theory, and lean operations. Examples in each chapter provide better understanding to readers, with step-by-step solutions. Case studies, specifically in Thai perspectives, help readers to apply knowledge in real practices. This text book is a good source for readers who are interested in learning basic knowledge of production and inventory management. Enjoy the book!!!