Survival Theory is a gritty, hard-hitting book written by a US Army infantryman with two decades of experience in combat zones and disaster areas around the globe. Unlike the majority of survival and prepper manuals that assume you are a lone beginner or have minimal knowledge of basic survival craft, Survival Theory presumes your skill level is anywhere from beginner through advanced and that you could be a lone survivalist or member of a prepper community. Survival Theory is distinct from the ordinary step-by-step manuals readers have become familiar with, because the book is a collection...