We may not give much thought to the boxes in our freezers or the cans on our shelves, but behind the story of food preservation is the history of civilization itself. The development of portable, preserved food enabled the great explorers to travel into the unknown and gradually map the planet, facilitated the conquest of new territories, and created routes for the expansion of trade and the exchange of knowledge and culture that opened up our world. In Pickled, Potted, and Canned, author Sue Shephard weaves together the stories of the inventors -- and inventions -- in a lively and...