Which book series' midnight release parties became a revolutionary retail marketing strategy that transformed bookselling events into cultural phenomena?

In the competitive world of publishing, major bookstore chains and publishers have employed various marketing campaigns to promote literary works. Some campaigns have become legendary in the industry, transforming how books reach audiences and creating cultural phenomena. This trivia question explores one of the most innovative marketing approaches that changed the landscape of book retail in the early 21st century.

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