For laymen and business man, a clarification of priorities, of what to expect as far as can be seen ahead, a topical handbook explaining the shortages of materials essential to national defense. Thirty raw materials are listed, and there are chapters on rubber, metals, explosives, gases, gas and lubricants, foods, fibres, vitamins, household equipment, and abundances. There is information as to where these materials come from and what they are used for, what the substitutes are, what conservation is possible. He pleads for permanent strategic safety stock piles of essential materials for the post-war U. S.