-2- 5. 4. (c) Before the figure of the amount of new production which the nation allow itself can be fixed, it needs to be considered whether the most is being made of existing library and domestic supplies. (d) An increase in the supply of books can also be obtained by producing books from a given quantity of materials and labour or supply can be maintai### by similar economics at a smaller cost in materials and labour. (e) The Book Production War Economy Agreement represents the publishers' on attempt to manufacture more books from a given quantity of materials and labour.