The appeal lies in the contrast between their characters. Sokka, the witty and strategic non - bender, and Zuko, the brooding and powerful firebender. Their interactions can be both intense and humorous.
One popular 'Sokka x Zuko' fanfic is 'The Art of Stealth'. It delves into their relationship as they team up on various adventures in the Avatar world. It has great character development and some really interesting plot twists.
Well, without having read it specifically, I can only guess. But generally in the Airbender world, it's a place full of elemental powers. So this novel might tell the story of the last airbender's struggle. It could be about their fight against the forces that are disrupting the balance in the world. They might be on a quest to find other airbenders who might still be alive, or to master all the airbending skills to become a true savior of their world.
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.