Every Step in Canning: The Cold-Pack Method

"Every Step in Canning: The Cold-Pack Method" by Grace Viall Gray is a helpful book from the early 1900s teaching people how to preserve food at home. It's aimed at housewives who want to learn the cold-pack canning method, which became popular during World War I. The book starts with the author's real-life experience of seeing a cold-pack demonstration. She explains how the war changed canning because women needed to save food in easier and cheaper ways. Gray points out that some people might not like changing from old canning methods, but the cold-pack is better and simpler. The beginning of the book shows that the need to update food-saving practices, and introduces the practical instructions that are included in the book.