This timely monograph on a very hot topic guides readers from the physical principles of shape memory effects to recent progress in the field. It discusses mechanical behavior and machining as well as thin films and microsystems, while also illustrating corrosion behavior and biocompatibility with respect to their applications in medicine and engineering. Furthermore, supplementary online material, including movies, will be provided, linked to the chapters. Edited by an outstanding scientist in NiTi SMAs with an excellent reputation and worldwide visibility, this is a valuable resource for both newcomers and experts.