A literary franchise refers to a series of related works that share common characters, settings, or themes, often expanding into various media. Examples include book series like Harry Potter or The Lord of the Rings, where the original stories are adapted into films, video games, and merchandise, creating a broader universe. These franchises can grow over time, introducing spin-offs, prequels, or sequels that explore different aspects of the original narrative. This interconnected storytelling allows fans to engage with the material in multiple ways, fostering a dedicated audience and often leading to significant cultural impact.