This book covers different aspects of metal additive manufacturing (MAM), including the basic concepts, different synthesis methods and applications of MAM. The topics covered mainly include conventional MAM techniques such as powder bed fusion-based, direct energy deposition based; hybrid MAM techniques such as friction based, ultrasonic; process modelling, various applications and future scope. The book is a valuable reference for beginners, researchers and professionals interested in the field of MAM. It can also be utilized as study material for various training courses on MAM at different learning levels.