The whys-hows-when of home canning, with special attention given to war restrictions of equipment, sugar substitutes, etc. The division of information follows lines set down in previous similar books, -- basic principles and ways of home canning, processes --and advantages or disadvantages of each; fruits and acid vegetables; fruit juices; non-acid vegetables; meats; soups (this is a departure from routine); preserving; brining and pickling; dehydration. There is a section -- a good one-on relation of of family, nutritional balance, frequency of use and budget schedule; there is another section on the enemies of the home canner, and the weapons to use. In each main section, a brief summary of basic principles, page reference to previous information, then recipes.