This book is intended to become the foremost authoritative text on the subject of limb deficiencies. The principal conditions considered are congenital femoral deficiency, fibular hemimelia, tibial hemimelia, ulnar dysplasia, and radial aplasia. For each condition, general aspects, lengthening reconstruction surgery, and prosthetic reconstruction surgery are fully discussed. A particular highlight is the chapters on lengthening reconstruction surgery. Because of the complexity of the surgical procedures, numerous detailed illustrations, intraoperative photographs, and radiographs are included to instruct surgeons on every detail. As a consequence, any competent surgeon will be able to follow and perform the described procedures. This book will be required reading for all surgeons studying or practicing pediatric orthopedics and a rich source of information for a range of other specialists.