The Frigid Golden Age: Climate Change, the Little Ice Age, and the Dutch Republic, 1560–1720. Dagomar Degroot. Studies in Environment and History. Cambridge: Cambridge University Press, 2018. xxii + 364 pp. $29.99. - Nature's Mutiny: How the Little Ice Age of the Long Seventeenth Century Transformed the West and Shaped the Present. Philipp Blom. New York: W. W. Norton, 2019. xii + 332 pp. $27.95.