By definition, a season is one of the four periods in a year. There are four seasons, namely, spring, summer, autumn and winter. Why do the four seasons follow each other regularly?  Does season have something to do with us?

In each of the four seasons, the weather is not the same. How is the weather different in spring, summer, autumn and winter? Why is it hot in summer and cold in winter? How does the seasonal change in weather bring about changes in plants, animals and the landscape?

Living in different parts of the world, do we have the same weather in spring, summer, autumn and winter? Is the rain equally heavy in our country and that of our foreign friends? Do all of us see snow and ice in winter around the world? Do we have the same season at the same time in different parts of the world? Can it be sweaty and hot at Christmas?

This book guides little readers to explore the mystery of seasons and solve their puzzles.