The potato has a larger story to tell than its humble status suggests. In this fascinating account of the potato and its role in human history--and the human future--James Lang tells that story. Combining biology and social science, he describes the origins of cultivated potatoes and how they spread as a staple throughout the world; the many ways to propagate, store, and harvest potatoes; and the crop's potential for feeding a hungry planet. Along the way, Lang also muses on art and agriculture, the stars and ancient peoples, and the cycles of time; he reflects on famine and demography,...