The Wonderful Wizard of Oz is a very famous story from American literature. It was first written by L. Frank Baum in 1900. It tells the story of Dorothy, a girl who lives on a farm in Kansas. One day, a strong wind carries her house to a strange and beautiful land called Oz. On her way to find the great Wizard of Oz, Dorothy meets a Scarecrow who wants a brain, a Tin Woodman who wants a heart, and a Lion who wants courage. Together they learn that the things they were looking for were inside them all along. This graded reader tells the story in simple, modern English for A2-level learners. It helps readers enjoy a classic story while improving their English through clear and natural language.