The author of this book built his own subterranean house and lives in it with his family.He has outlined all the techniques he used in this manual and added hundreds of special tips garnered from his first hand experience. It is actually a practical blueprint for building your own underground house! You'll learn how to select your site, purchase your building supplies, design your house to fit your personal needs, excavate, backfill, and landscape your property, put up the structure, insulate and heat it, install skylights and bay windows, and much more!