Which innovative marketing strategy helped make Paulo Coelho's 'The Alchemist' a global publishing phenomenon after initially selling only 900 copies?

The publishing industry has undergone massive transformations in how books are marketed and sold to consumers. From traditional bookstores to algorithmic recommendations on digital platforms, the way readers discover new titles has evolved dramatically. Test your knowledge about how consumer behavior and retail strategies have shaped the modern literary marketplace.

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Coelho personally pirated his own book online, leading to increased legitimate sales
The publisher created an exclusive leather-bound collector's edition that went viral
A celebrity book club selection that triggered immediate international demand
An augmented reality app that allowed readers to 'experience' the protagonist's journey