The Lost Scrolls include sacred tales and rare documents hidden from the world. Each book tells stories about one of the four nations, sharing its legends, culture, and the art of bending its element. Earth: This scroll contains all the sacred information about the Earth Nation. Katara tells how she inspired a group of Earthbenders imprisoned on a Fire Nation ship to take a stand, Sokka recounts the tale of the Great Divide and Aang explains how he managed to outsmart the great Earthbender, King Bumi.