Which famous book series was marketed with the revolutionary slogan "You'll believe a man can fly" that helped transform it from a modest literary success into a global publishing phenomenon?

Behind every successful book series lies a carefully crafted brand strategy. From distinctive cover designs to memorable slogans and marketing campaigns, publishers have become increasingly sophisticated in their product marketing approaches. This trivia question explores one of the most successful publishing marketing strategies that transformed a book series into a global phenomenon. Test your knowledge of the intersection between literature and brand slogans!

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Harry Potter series by J.K. Rowling
The Lord of the Rings by J.R.R. Tolkien
Superman comic books by DC Comics
The Chronicles of Narnia by C.S. Lewis