Explores the functions of air, water, fire and earth.

"One of the most dangerous elements on the planet is fire. It can be used to cook the food we eat and keep us warm, but it can also burn down forests and cause destruction to homes and human life. Through this engaging book, readers learn how important fire is and about its potential for harm. Informative fact boxes, creative graphic organizers, detailed diagrams, and bright, full-color photographs provide additional insight into this Earth science...

Long live Solaris. One bloodthirsty ruler has been overthrown by another, casting the shadow of death over the Solaris Empire. Vhalla Yarl stands upon the stage of fate, prepared to do battle one final time. Fragile alliances will be tested and new bonds will be formed as the world is reshaped. She fights as the champion of peace, but when the night is darkest will she be able to pay the price of a new dawn?

"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"-- Provided...

"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?"-- Front jacket flap.

Before they can save the world from the monstrous phantoms, four girls who have the power to control the classical elements: earth, air, fire, and water must first try to figure out how to work together.

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.

"Kuvira's true nature is revealed, and the Earth Kingdom will feel the consequences! Thanks to Commander Guan and Doctor Sheng's brainwashing technology, all hope for a fair election in the Earth Kingdom is lost. Korra works with Toph, Su, and Kuvira to plan a means to rescue not just the brainwashed Mako, Bolin, and Asami, but everyone else caught up in Guan's plan! With the Earth Empire potentially on the rise again, Kuvira pulls another trick from...

On the eve of its first elections, the Earth Kingdom finds its future endangered by its past. Even as Kuvira stands trial for her crimes, vestiges of her imperial ambitions threaten to undermine the nation's democratic hopes. But when Korra, Asami, Mako, and Bolin don't all see eye-to-eye as to the solution, drastic measures will be taken to halt a new march to war.

"Plagued by the voices of Avatars before her for as long as she can remember, Yangchen travels to Bin-Er in the Earth Kingdom where she partners with an informant named Kavik and soon learns to rely on her own wisdom and continue her journey from uncertain young woman to revered leader" Provided by publisher.