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And in this world nothing was more prized than cochineal, a red dye that produced the brightest, strongest red the Old World had ever seen. A Perfect Red recounts the story of this legendary red dye, from its cultivation by the ancient Mexicans and discovery by 16th-century Spanish conquistadors to the European pirates, explorers, alchemists, scientists, and spies who joined in the chase to unlock its secrets, a chase that lasted more than three centuries. 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