Avatar Aang travels to the spirit world to parley with an ancient power; bringing Fire Lord Zuko ever closer to discovering the truth about his mother''s fate—and his own past. <br><br>Yet Zuko''s sister Azula is becoming increasingly dangerous; threatening to ruin everything that Zuko; Aang; Katara; and Sokka have struggled to achieve on their search! <br><br>* The official continuation of <i>Airbender</i> from its creators; Michael Dante DiMartino and Bryan Konietzko!