Avatar: The Last Airbender: The Promise collects parts 1-3 and includes a brand-new sketchbook. Features story by Gene Luen Yang and art by Gurihiru.

Aang and friends must join together once again as the four nations' tenuous peace is threatened in an impasse between Fire Lord Zuko and Earth King Kuei! As the world heads toward another devastating war, Aang's friendship with Zuko throws him into the middle of the conflict.