This issue of the Neurosurgery Clinics, Guest Edited by Drs. Jian, Ames, and Shaffrey, presents updates and state-of-the-art approaches to spinal deformity surgery. Spine surgery is a timely topics amongst neurosurgeons, and one that is continually evolving. Articles in this issue include Radiographic and Clinical Evaluation of Adult Spinal Deformity; Use of Surgimap in Osteotomy Planning, Correction Calculation, and Reciprocal Changes; Adolescent Scoliosis Classification and Treatment; Osteotomy for Rigid Deformity; Coronal Realignment, Reduction Techniques, and Complication Avoidance; Cervical Deformity; High Grade Sponylolisthesis; Proximal Junctional Kyphosis; and The Role of Minimally Invasive Techniques in the Treatment of Adult Spinal Deformity.