Which marketing innovation for a book series included the creation of Pottermore, an immersive online platform that extended the reading experience and eventually became the official digital retailer for the franchise?

The publishing world has seen some remarkable marketing campaigns that transformed books from simple stories into cultural phenomena. From midnight release parties to innovative digital campaigns, marketing strategies have played a crucial role in catapulting certain books to extraordinary success. Test your knowledge of the most influential book marketing campaigns that changed the literary landscape and set new standards for product promotion in publishing.

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Harry Potter series by J.K. Rowling
The Hunger Games trilogy by Suzanne Collins
A Song of Ice and Fire series by George R.R. Martin
Twilight saga by Stephenie Meyer