Which literary franchise pioneered the concept of 'house merchandise' by creating products specifically branded for fictional school houses that readers could identify with?

The publishing world has evolved beyond just selling books! Publishers and authors have found innovative ways to extend their literary brands through merchandise, special editions, and product collaborations. This poll tests your knowledge of how the literary world has embraced product marketing strategies. Do you know which groundbreaking product launch changed how we think about book marketing?

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Harry Potter (Gryffindor, Slytherin, Hufflepuff, Ravenclaw)
The Hunger Games (District 1-12 merchandise)
Divergent (Dauntless, Abnegation, Erudite, Amity, Candor)
Percy Jackson (Camp Half-Blood cabins)