Book excerpt: Written by leading experts from the Mayo Clinic, this volume of our Orthopaedic Surgery Essentials Series presents all the information residents need on hip, knee, shoulder, and elbow reconstruction in adults. It can easily be read cover to cover during a rotation or used for quick reference before a patient workup or operation. The user-friendly, visually stimulating format features ample illustrations, algorithms, bulleted lists, charts, and tables. Coverage of each region includes physical evaluation and imaging, evaluation and treatment of disorders, and operative treatment methods. The extensive coverage of operative treatment includes primary and revision arthroplasty and alternatives to arthroplasty.