In the issue of the Hand Clinics on "Congenital Hand Differences” the Guest Editor, Dr. Kevin C. Chung, invited world-renowned experts on congenital hand problems to share their insights regarding the treatments and outcomes of a variety of common and uncommon conditions. This volume will present a concise, yet practical guide in understanding and managing the diversity of presentations in these diseases. The illustrations are meticulously presented and the key points are highlighted by the "masters” of the field. This Hand Clinics volume will be an invaluable resource for those interested in advancing their knowledge regarding this intriguing field in hand surgery.