This book covers the topics of maintainability, maintenance, and reliability for the first time within a single source. It discusses mechanical and human reliability as well as reliability evaluation methods. It addresses various aspects of maintainability, including tools, specific maintainability design considerations, management, and costing, and explores human factors in maintainability, maintenance engineering objectives, corrective and preventive maintenance, and reliability centered maintenance. The author offers historical aspects, terms, definitions, and useful mathematical concepts while providing examples, solutions, and problems at the end of each chapter.