It is a story about one little girl, who lived in Kansas. The Dorothy Gale has no parents. Uncle Henry and Aunt Em cared for her. They are people tired of hard work and a boring life on the farm Uncle Henry and Aunt Em are never smiling.
Once a powerful hurricane picks up Dorothy, along with a small house in which she lived, and transported her to the magical land where the little people live.
In the minute of Dorothy arrived her house killed the wicked witch of the South. Then the Witch of the North (the good one) explained the girl that help her go back can only Wizard of Oz, who lives in the Emerald City. When they are partying, the fairy left a kiss on the forehead of Dorothy, So she protected her from danger.
On her way, Dorothy meets with the Scarecrow, Tin Woodman, and Cowardly Lion. First of them lacked brains, the second - the heart, and the third - the guts.
After many adventures, the company arrived in the Emerald City, but the Wizard gives them a mission to destroy the evil witch of the West. If they succeed, then he will send the little girl back at home.
After Dorothy defeat the evil witch The Wizard of Oz gives brains the brain to a Scarecrow, the heart to the Tin Woodman, and the courage to the lion. But he cannot help Dorothy. So girl travels to the good Sorceress of the South. Along the way, friends visited the Land of Porcelain and the mountains where strange men live.
In the end of the book, Dorothy goes to the country, where the Good Witch of the South lives, and she helps Dorothy go back to Kansas.