BE YOUNG WITH YOGA - how to stimulate your body with the fresh vitality and bubbling energy of youth by RICHARD L. HITTLEMAN. ISBN 0 7225 0008 4. First U.K. edition published 1963 this fifth impression published 1971 by Thorsons Publishers Ltd. 

No matter what your age is, in only seven weeks the twenty simple yoga techniques illustrated in this book are designed to release within you a huge reservoir of youthful energy, known as vital force. it is the natural way to free yourself from the aches, pains and nervous tensions which are common to us all and which sap away the strength and vigour of the body.