Advances -- Gene Technology Based Therapies in the Brain -- Technical Standards -- Anatomy of the Orbit and its Surgical Approach -- Neurosurgical Concepts and Approaches for Orbital Tumours -- Endoscopic Third Ventriculostomy in the Treatment of Hydrocephalus in Pediatric Patients -- Minimally Invasive Procedures for the Treatment of Failed Back Surgery Syndrome -- Surgical Anatomy of Calvarial Skin and Bones—With Particular Reference to Neurosurgical Approaches.