Seth Garfield, Guaraná: How Brazil Embraced the World’s Most Caffeine-Rich Plant, Chapel Hill: University of North Carolina Press, 2022. 336 pages. Guaraná: How Brazil Embraced the World’s Most Caffeine-Rich Plant is a luminous social biography of a single Amazonia fruit. Historian Seth Garfield re-invigorates the abiding relevance of the history of commodities as an entry point […]