Aang, Katara, Sokka, and their new friend Toph are searching for Appa while traveling to Ba Sing Se to tell the Earth King about their attack on the Fire Nation. Along the way they meet up with old friends and fight off the Fire Nation's evil Pricess.

"In a city where fire, water, land and air reside together, a fiery young woman and a go-with-the-flow guy are about to discover something elemental: How much they have in common."--Provided by publisher.

Professor Piers Knight is the Brooklyn Museum's very own Indiana Jones. His specialties include lost civilizations, arcane cultures, and more than a little bit of the history of magic and mysticism. What his contemporaries don't know is that in addition to being a scholar of all these topics, he is also proficient in the uses of magical artifacts. Knight receives a chilling message from Tian Lu, a former lover and an agent for the Chinese government....

The eclipse has come but where is the Firelord? Aang searches frantically for him but finds trouble instead. The kids are forced to flee the Fire Nation palace with Azula and her warships hot on their heels. At the Western Air Temple, a surprise mentor joins them. Prince Zuko offers to be Aang's Firebending teacher, and together the new team must figure out a way to get Aang back in the fight.

After Saul reappears with an army of soldiers with Effigy-like abilities, threatening to unleash the monstrous Phantoms and bring death and destruction to the world, eighteen-year-old Maia and the other Effigies hope to defeat him by discovering the source of their power over the four classical elements, but they are betrayed by the Sect and bogged down by questions about the previous Fire Effigy's murder.

"Soldier Sorcerer Savior Who is Vhalla Yarl? Vhalla Yarl marches to war as property of the Solaris Empire. The Emperor counts on her to bring victory, the Senate counts on her death, and the only thing Vhalla can count on is the fight of her life. As she grapples with the ghosts of her past, new challenges in the present threaten to shatter the remnants of her fragile sanity. Will she maintain her humanity? Or will she truly become the Empire's monster?"...

The ancient philosophy of the world as made up of four elements--earth, fire, water, and air--becomes a contemporary entreaty for respect for the natural world and our place in it.

While Aang grapples with a life-changing decision that only he can make as the Avatar, Toph and Katara implore him--from opposite sides--to choose a path. Meanwhile, Ru and Yaling concoct a fiery ploy to get their mother back. The bender vs. non-bender conflict finally reaches a powerful boiling point, and for better or for worse, Cranefish Town will never be the same!

"The Effigies must uncover the connection between Saul, Blackwell, and the Phantoms before it's too late"--