Amy Offner’s Sorting Out the Mixed Economy. The Rise and Fall of Welfare and Developmental States in the Americas (Princeton University Press, 2019), wins the 2020 Murdo J. MacLeod Book Prize for the best book on Latin America, the Atlantic World, the Borderlands, and the Caribbean awarded by the Latin American and Caribbean Section-Southern Historical Association (LACS-SHA). Criteria for selection to the Murdo J. MacLeod Book Prize include: quality and originality of research, new and stimulating interpretations and writing quality.