Which groundbreaking marketing campaign involved releasing a series of mysterious websites, online puzzles, and fake organizations that blurred fiction and reality before the book's release?

The publishing industry has created some of the most innovative marketing campaigns in history to launch books into bestseller status. From mysterious teaser campaigns to immersive experiences that bring fictional worlds to life, publishers have pushed creative boundaries to connect readers with stories. Test your knowledge about these legendary book marketing campaigns that transformed how literature reaches audiences and created cultural phenomena.

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The Blair Witch Project-style campaign for 'House of Leaves' by Mark Z. Danielewski
The alternate reality game 'Year Zero' for the dystopian novel 'Year Zero' by Rob Reid
The 'Why So Serious?' campaign for 'The Dark Knight' which included Harvey Dent election campaigns and Joker scavenger hunts
The 'Institute For Hunch Studies' and other fictional organizations created to promote 'The Raw Shark Texts' by Steven Hall