The discovery of Yun, a young Avatar, brought stability to the four nations until Earth Kingdom-born Kyoshi, Yun's friend and servant, demonstrated remarkable bending during a mission to the South Pole. When growing unrest among her allies turned to violence, Kyoshi was forced to flee the Avatar mansion with her fiery friend Rangi, taking little more than the metal war fans and headdress her parents left behind. Finding unlikely supporters in the...

"Kyoshi's place as the true Avatar has finally been cemented-but at a heavy cost. With her mentors gone, Kyoshi voyages to the Southern Air Temple, where she can master the elements beyond what she could have ever imagined. But while her bending grows stronger, a mysterious threat emerges from the Spirit World. To stop it, Kyoshi, Rangi, the daofei, and their reluctant allies must join forces before the four nations are destroyed irreparably"--