Empire Guardian

Air-bending, one of the four elemental bending arts, is the aerokinetic ability to control and manipulate air. The peaceful Air Nomads utilized this type of bending in their everyday lives.Air is the element of freedom.
Earth-bending, is the element of substance, while the people of the Earth Kingdom are diverse, strong, and enduring. Following the lion turtles' decision to relinquish their role as protectors of mankind, Oma and Shu were the first earthbenders to learn this art from badgermoles. Earth is the element of substance.
Water-bending,Water is the element of change. The moon is the source of power in waterbending, and the original waterbenders learned to bend by observing how the moon pushed and pulled the tides. The Water Tribes are the only people who did not learn bending from an animal, though the Moon and Ocean Spirits took the form of koi fish in the mortal world near the beginning of the Avatar World.Water is the element of change.
Fire-bending, is known for its intense and aggressive attacking style and general lack of adequate defensive moves, although firebenders can modify offensive maneuvers to function as a defense, such as creating large walls of fire or shooting down incoming attacks with fire jabs.Fire is the element of power.
I hope you like this book please sent in your honest comments and don't forget to please vote..;)