Where can you buy Avatar the Last Air-bender Into Inferno?

"Avatar: The Last Airbender: Into Inferno" is not a real product. It is not a book, a game, or any other merchandise.

It is possible you are misremembering the title or are referring to a fan-made project. To help you find what you are looking for, I need more information:

* What kind of product are you looking for? (Book, game, comic, etc.)

* Are you sure of the title?

* Do you remember any details about the content?

With more details, I can help you find the correct product or information you're looking for.