Why is summer hot and winter cold? Why do leaves change color in autumn and blossoms appear on trees in spring? People can rely on certain changes to happen every year, during the periods we call the seasons, but many don't know why they occur. This comic-style volume overflows with important curricular content amid engaging text and appealing graphics. The animated design reflects the most interesting concepts about seasons and encourages young scientists to apply what they learn to the world around them. Questions and an answer key inspire readers to quiz themselves about their understanding.