Whether they make it themselves or just enjoy it with breakfast, people are often passionate about their favorite jam, jelly, or marmalade. Award-winning jam-maker Sarah B. Hood looks at the history of these sweet treats from simple fruit preserves to staple commodities, gifts for royalty, global brands, wartime comforts, and valued delicacies. She traces connections between sweet preserves and the temperance movement, the Crusades, the prevention...