Which book holds the record for most copies sold within 24 hours of its release, selling 8.3 million copies in the US and UK combined?

The publishing world has seen some of the most anticipated product launches in history, with certain book releases creating unprecedented cultural phenomena. From midnight release parties to record-breaking sales, these literary events have transformed how we think about product launches in the arts and literature space. Test your knowledge about these landmark publishing moments that changed the industry forever.

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Harry Potter and the Deathly Hallows
The Lost Symbol (Dan Brown)
Twilight: Breaking Dawn
A Dance with Dragons (George R.R. Martin)