Mark Johnson is a seasoned survival instructor and the author of the Survival Sanctuary program. With over 20 years of experience in outdoor survival, emergency preparedness, and homesteading, Johnson has honed his skills and expertise to create a comprehensive guide that empowers individuals to become self-reliant. As a former military survival instructor, he has a deep understanding of the techniques and strategies necessary for thriving in the face of unexpected challenges. Mark Johnson's book offers a comprehensive guide to building a survival sanctuary that can withstand various crises. From selecting the ideal location for your sanctuary to constructing sustainable and secure shelters, the book covers all aspects of creating a safe haven for you and your loved ones.