Dr. John Torres has spent his career fielding medical emergencies at home in the ER and abroad on humanitarian trips to Central and South America. As a U.S. Air Force veteran, he has been on the front lines of varying medical crises. As NBC News’ senior medical correspondent, he has spent the last year covering the COVID-19 pandemic.

Dubbed “Dr. Disaster,” Torres has all the knowledge of best practices in an emergency, and his new book Dr. Disaster’s Guide to Surviving Everything provides a need-to-know guide on disaster preparedness.

From avalanches and blackouts to pandemics and wildfires, Dr. Torres shares hacks and tips that could save your life or the life of someone around you. He tells you must-know practices such as the best place to sit on an airplane, how to start a fire with household items, and the first thing you should do every time you enter a shopping mall.