This, the 29th edition of the Ball Blue Book, brings to you the most reliable and up-to-date methods of home canning and freezing. New recipes have been added and old favorite recipes rewritten; the continuity rearranged and instructions simplified so all age homemakers may find it helpful. The size of the book has been increased to include all the information needed to obtain the good results you have a right to expect when you preserve foods by methods based on scientific facts.