For centuries, the most intense, vibrant red color in the world could not be synthesized in a laboratory or extracted from a plant. It came from the crushed bodies of a tiny, parasitic insect native to the Americas: the cochineal bug. The resulting pigment, carmine, was so breathtakingly vivid and colorfast that it became the third most valuable export from the New World, trailing only behind silver and gold. Crimson Monopoly tells the fascinating economic history of a bug that changed global trade. The Spanish Empire ruthlessly protected their monopoly on cochineal, executing smugglers and keeping the biological origin of the dye a strict state secret to manipulate global prices. Kings, cardinals, and artists paid astronomical sums for the crimson powder that built the wealth of empires. The book traces the dramatic espionage missions launched by rival nations desperate to steal the insects and break the monopoly. It also explores the modern resurgence of carmine dye in the 21st century, as the demand for natural food coloring in everything from lipsticks to strawberry yogurts has resurrected this ancient, labor-intensive industry. Uncover the violent and incredibly lucrative history hidden in the color red. This is a captivating exploration of how a microscopic insect dictated global economics and reshaped the aesthetics of the modern world.