To date, more than three thousand brain and skull base tumors, along with various vascular problems, have been treated by using advanced, fully endoscopic, minimally invasive surgical techniques. In this book, Dr. Hrayr K. Shahinian, director of the Skull Base Institute, compiles these techniques. The book is highly specific and amply illustrated. The step-by-step operating room procedures provide a definitive guide to the difficult yet essential art of skull base surgery.