This book aims provides detailed description of the surgical technique of spine surgery through internal fixation. It illustrates pedicle screw entry site in each vertebra using excellently recorded photographs of vertebral specimens and 3D reconstructed images. In the first chapter, the authors illustrate the entry point of pedicle screw in the cadaveric vertebrae. From Chapter Two to Chapter Seventeen, the authors introduce sixteen kinds of approaches and instrumentations according to the cervical, thoracic and lumbar spine, for the management of spondylosis, trauma and deformity.