Which author's final book release in 2007 generated unprecedented retail innovation with midnight launch parties at bookstores worldwide, resulting in 8.3 million copies sold in the first 24 hours?

In the world of literature and publishing, brand loyalty takes on unique dimensions as readers form deep connections with authors, series, and publishing houses. This poll explores one of the most remarkable examples of literary brand loyalty in publishing history, where fans demonstrated extraordinary dedication. Test your knowledge of this remarkable retail success story that changed how publishers think about author branding and fan engagement.

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J.K. Rowling (Harry Potter and the Deathly Hallows)
Stephenie Meyer (Breaking Dawn)
Dan Brown (The Lost Symbol)
George R.R. Martin (A Dance with Dragons)