The book is an overview of a vital Orthopedics topic, avascular necrosis (AVN) of the hip. It encompasses all the aspects of this disease in terms of etiology, epidemiology, pathogenesis, diagnosis, staging, and treatment. It covers the recent advances and evidence-based approaches to diagnosis and management, with easy to understand tables and pictures. This book is a comprehensive guide with chapters on presentation and examination of such a case with knowledge about frequently asked questions. Included multiple-choice questions on the topic will further aid in revision and recapitulation.   This book is a helpful tool for Senior Residents, faculty members in teaching institutions as well as practicing Orthopedic surgeons all across the globe. Knowing how to examine, diagnose and manage a case of AVN hip is a must for any Orthopedic surgeon, and they have to be aware of all recent advances without fail. This book is on a topic which is a “must keep” clinical case in all Orthopedic exit exams; encapsulated with every nuance of the disease, it will be beneficial across all the career stages of Orthopedic surgeons.