Soldier or civilian, if youâre looking to get into shape, the U.S. Army Physical Readiness Training Manual book is the sure-fire way to go! The official fitness and physical readiness guide of the U.S. Army (TC 3-22.20) helps anyone to engage in a rigorous, rewarding regime of physical training. Divided into three sections, the book incorporates the philosophy behind the Armyâs training, the types of programs and planning considerations to guide the readerâs own personal training agenda, and the exercises themselves. Whether you need to be âArmy Strongâ or are just looking to lose that extra holiday weight, the U.S. Army Physical Readiness Training Manual is the book for you!