Theory and Practice of Additive Manufacturing is the first additive manufacturing textbook specifically designed with student learning outcomes in mind. Rigorously presenting the practical applications of additive manufacturing as well as the underlying theories behind them, the book covers processes, equipment, and feedstocks for additive manufacturing for metals and alloys, polymers, ceramics, and composites. Subsequent chapters are devoted to topics such as design for additive manufacturing; sensing, control, and qualifications; heat transfer in additive manufacturing; microstructure and its control; material properties; and common defects and stresses. The concluding chapters cover emerging tools like mechanistic models, machine learning, and digital twins and their uses in additive manufacturing; safety, sustainability, and economic issues; and future trends in the industry. The book is set apart from other additive manufacturing textbooks by its highly visual, student-friendly approach. Over 100 real-world worked example problems are included throughout the book and each chapter begins and ends with features like learning objectives, technical terms, key takeaways, and practice problems, leaving students better prepared to use additive manufacturing in their careers.