Anesthesiology is a rapidly growing specialty and anesthesiologists need to keep pace with the ever-increasing demands of patients with associated medical disorders presenting for surgery. The present Yearbook of Anesthesiology is the 9th edition in the series of yearly handbook published under the auspices of the Indian College of Anaesthesiologists. This book consists of 25 chapters, which include errors in medicine, perioperative care of the frail elderly, pregnancy-induced hypertension, sugammadex and beyond, issues and management of obese parturient, postoperative delirium, gas embolism, nutrition in the intensive care unit, smartphones in anesthesia, health hazards for an anesthesiologist, weaning from mechanical ventilation, intraoperative thermoregulation, postoperative myocardial injury, management of hyperglycemia in the perioperative period, challenges and issues in daycare arthroplasty, double-lumen endotracheal tubes, and regional blocks for shoulder surgery. This yearbook also has a section on Journal Scan where landmark articles in the previous year are opined upon by leading experts in their fields. This book would go far and wide and adorn the tables of the scientifically oriented.