Sure. It's a great read for fans. The novel can expand on the show's story, giving fans a chance to see their favorite characters in new situations and gain a deeper understanding of the Avatar world's lore, the relationships between characters, and the overarching plot that drives the story forward.
Avatar: The Last Airbender is indeed an original story. It has its own distinct style and narrative that sets it apart. The combination of elements like bending powers, diverse characters, and complex story arcs make it a one-of-a-kind creation.
Definitely not real. It's a fantasy world crafted with unique characters and magical elements that exist only in the realm of imagination and storytelling.