This extensive and yet easy-to-read book covers technical aspects of the management of difficult acute cholecystitis. It discusses diagnostic evaluation, treatment, and strategies for avoiding and managing complications based on both evidence-based data and the experiences of the editor and the international contributors. Further, it analyses the latest guidelines to find the best clinical applications. Each chapter describes the current diagnostic and management strategies, focusing on a possible risk stratification by scores proposed in literature. Lastly, the book describes the relevant technical considerations and tips and tricks, explaining them in full. Illustrated throughout and including line graphs depicting fundamental anatomic and technical principles, making it easy-to understand, it is a useful toolkit for all residents, fellows and general surgeons needing a guide to the treatment of difficult acute cholecystits.