This book tells the story of a round tree on a round mountain. The round tree is full of round small red fruits. Under the round small fruits is a round tree hole. In the round hole lives a round little bug. The little bug eats the round small red fruits every day. After eating for many days, he finally got tired of it. One day, he suddenly looked into the distance. There was a square mountain. On the square mountain was a square tree. The square tree was full of square small green fruits. In order to eat the square fruits, the little bug sailed for a long time and finally arrived at the square mountain.
本书讲述了：圆圆的山上有棵圆圆的树，圆圆的树上结满圆圆的小红果，圆圆的小果子下有个圆圆的树洞，圆圆的洞里住着一只圆圆的小虫。小虫每天都吃圆圆的小红果，吃了很多很多天，终于吃腻了。有一天，他忽然望向远方。那里有座方方的山，方方的山上方方的树，方方的树上结满方方的小青果。为了吃到方方的果实，小虫开着船行驶了好久好久，终于来到了方方的山上。
本书讲述了：圆圆的山上有棵圆圆的树，圆圆的树上结满圆圆的小红果，圆圆的小果子下有个圆圆的树洞，圆圆的洞里住着一只圆圆的小虫。小虫每天都吃圆圆的小红果，吃了很多很多天，终于吃腻了。有一天，他忽然望向远方。那里有座方方的山，方方的山上方方的树，方方的树上结满方方的小青果。为了吃到方方的果实，小虫开着船行驶了好久好久，终于来到了方方的山上。
