Beck had already published four wilderness survival books: Wilderness Survival Manual, Wilderness Survival Guide, Wilderness Survival Expert, and Wilderness Survival Secret Techniques. The book was written by the famous explorer, William de Wet. It covered all aspects of wilderness survival, including food, water, weather, terrain, weapons, and so on. The book was translated into many languages and received widespread attention and popularity around the world. Currently, the latest edition of the book had already published the fourth book, and there were still two more to be published.