The beer of today-brewed from malted grain and hops, manufactured by large and often multinational corporations, frequently associated with young adults, sports, and drunkenness-is largely the result of scientific and industrial developments of the nineteenth century. Modern beer, however, has little in common with the drink that carried that name through the Middle Ages and Renaissance. Looking at a time when beer was often a nutritional necessity, was sometimes used as medicine, could be flavored with everything from the bark of fir trees to thyme and fresh eggs, and was consumed by men, women, and children alike, Beer in the Middle Ages and the Renaissance presents an extraordinarily detailed history of the business, art, and governance of brewing. During the medieval and early modern periods beer was as much a daily necessity as a source of inebriation and amusement. It was the beverage of choice of urban populations that lacked access to secure sources of potable water; a...