Osteotomies in the treatment of degenerative and posttraumatic arthritis seem to be a lost art. Even for young patients, joint replacement is in vogue. An international group of renowned surgeons presents an outstanding hands-on approach to performing correction osteotomies in posttraumatic deformities from the clavicle to the foot. Most of the content is based on case presentations, and each case provides a step-by-step description of case history, planning, surgical approach, osteotomy, fixation, rehabilitation, and finally, pitfalls and pearls. Hundreds of full-color pictures, precise illustrations, and x-rays demonstrate the significant steps in deformity corrections. Long-term follow-ups demonstrate the efficacy of osteotomies in the treatment of malunions. In the principal part preceding the case presentations, relevant theoretical information on posttraumatic deformities and osteotomies is provided.