the North for gold ,he went through the hardships of the journey himself ,witnessed the cruel and miserable life of dogs .According to his this experience ,the story of buck came into being.
　　
　　Main idea of the story
　　
　　There was a dog named Buck ,who lived a comfortable and pleasant life at a Judge Miller ‘s house in the warm South .Here ,Buck was a leader ,he in charge of Judge ‘s house ,took care of Judge ‘s grandchildren and ruled others dogs .We can say Buck had a happy time here . However ,Buck ‘s misfortune was coming .But Buck did not that at all.
　　
　　One day ,a gardener who worked for Judge took Buck out of the house when there were no people in home and sold Buck to a dog smuggler in secret .From then on ,Buck set foot on his miserable life .He was transferred from one to anther and under a bad condition all day ,he suffered from hunger ,cold ,various harm and pain .Sometimes ,Buck was beaten black and blue by human being .At the same time ,Buck must fi