Which bestselling book series had its brand value strategically enhanced by the author's insistence on creative control over merchandising, resulting in a cohesive visual identity across all products?

The publishing industry has seen remarkable brand storytelling successes that transformed books into global cultural phenomena. Beyond just good writing, strategic brand development has played a crucial role in creating literary empires worth billions. Test your knowledge of how certain book franchises became powerful product brands through innovative marketing, merchandise, and multimedia expansion.

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Harry Potter (J.K. Rowling insisted on UK/US editions maintaining consistent visual elements and personally approved all licensed merchandise)
Twilight (Stephenie Meyer worked with Hot Topic to create exclusive fashion lines that captured the aesthetic before the films were released)
The Hunger Games (Suzanne Collins partnered with Lionsgate early to develop a revolutionary transmedia marketing strategy)
Percy Jackson (Rick Riordan established a separate company called Myth Master to handle all branding decisions and merchandise approvals)