Which famous tagline was used to market Dan Brown's 'The Da Vinci Code' and helped propel it to sell over 80 million copies worldwide?

Marketing in the book publishing world has evolved dramatically over the decades, with catchy taglines often becoming as iconic as the works themselves. These clever phrases have launched bestsellers, created cultural phenomena, and transformed unknown authors into household names. Test your knowledge of the publishing industry's most successful marketing campaigns that helped turn books into commercial sensations.

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