With illustrative cases, the treatment strategies, techniques and complication avoidance have been covered extensively in the chapters to guide the readers on when and what to expect the worst in surgeries. The neurosurgical aspect in the present scenario of COVID is also included. This book will assist the junior neurosurgeons and junior neurological physicians in endeavoring to learn the core concepts and common problems of cerebrovascular surgery. This is a worthwhile addition in this ever growing field of cerebrovascular surgery.