Which literary series is credited with revolutionizing book merchandising by generating over $7.3 billion in merchandise sales (excluding books), creating a new model for literary product marketing?

The publishing industry has undergone significant transformations in how books are marketed and sold. Beyond traditional bookstores, literary merchandise has become a crucial aspect of author branding and revenue generation. This poll explores a fascinating turning point in how literary products evolved from simple books to comprehensive brand experiences. Test your knowledge about a pivotal moment in literary merchandising history!

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Harry Potter series by J.K. Rowling
Lord of the Rings by J.R.R. Tolkien
Twilight series by Stephenie Meyer
The Hunger Games trilogy by Suzanne Collins