For years, fans of <i>Avatar: The Last Airbender</i> and <i>The Legend of Korra</i> have burned with one question&amp;mdash;what happened to Fire Lord Zuko's mother? Finding a clue at last, Zuko enlists the aid of Team Avatar&amp;mdash;and the most unlikely ally of all&amp;mdash;to help uncover the biggest secret of his life. <br>* This is the perfect companion to <i>The Legend of Korra</i>! <br>* The official continuation of <i>Airbender</i> from its creators!