Price Is. each. WARD AND LOCK'S "LONG-LIFE" SERIES. 1.-LONG LIFE, AND HOW TO REACH IT. 2.—THE THROAT AND THE VOICE. 3.-THE EYESIGHT, AND HOW TO CARE FOR IT. 4. THE MOUTH AND THE TEETH. 5. THE SKIN, IN HEALTH AND DISEASE. 6.-BRAIN-WORK AND OVERWORK. 7.-SICK-NURSING. 8.-THE YOUNG WIFE'S ADVICE BOOK. 9.-SLEEP: HOW TO OBTAIN IT. London: WARD, Lock, & Co., Salisbury Square, E. C. AND HOW TO OBTAIN IT. NATURE OF SLEEP, EXERCISE, DIET, MODE AND CO., WARD, LOCK, AND WARWICK HOUSE, SALISBURY SQUARE, E.C. 151. o. 52 3. CONTENTS. THE PROPER TEMPERATURE OF THE BODY THE PROPER STATE OF THE NERVES |