<p/><br></br><p><b> About the Book </b></p></br></br>The philosophies of healthy living laid out in this book were developed while Luther Gullick was director of Physical Training in the New York Public Schools. He dedicated this 1907 work to Theodore Roosevelt, who he viewed as his model of healthy living.<p/><br></br><p><b> Book Synopsis </b></p></br></br>The philosophies of healthy living laid out in this book were developed while Luther Gullick was director of Physical Training in the New York Public Schools. He dedicated this 1907 work to Theodore Roosevelt, who he viewed as his model of healthy living.