. "Avatar: The Last Airbender: Legacy is a hardcover book published by Insight Edition. It features Aang looking back on his life after the Hundred Year War through stories, along with various mementos such as posters, maps, and cards, a collection which he passes down to his airbending son, Tenzin. It was released on October 13, 2015."@en . . . "Avatar: The Last Airbender: Legacy"@en . . . . "Avatar: The Last Airbender: Legacy is a hardcover book published by Insight Edition. It features Aang looking back on his life after the Hundred Year War through stories, along with various mementos such as posters, maps, and cards, a collection which he passes down to his airbending son, Tenzin. It was released on October 13, 2015."@en . .