<p>United States Marine Guidebook Essential Subjects one of the most revered books used by United States Marines. Many refer to this as the USMC green monster knowledge book. </p><p>This book covers all the essential subjects for <i>Marines</i>. Historically this book is used in Boot Camp to teach all the foundational skills <i>every marine needs</i> to know. </p><p><i>Essential Subjects</i> Are:</p><p>Marine Corps History</p><p>Code of Conduct</p><p>Close Order Drill</p><p>First Aid</p><p>Rifle Marksmanship</p><p>Land navigation</p><p>Get your copy and put this book of marine corps knowledge on your bookshelf. It's great as a reference or just for brushing up on your subject skills. </p><p>The United States Marine Corps was founded in 1775. <br></p>