why does the sun shine?

　　本商品為硬頁書 (Board Book)

　　Why does the sun shine? takes a playful, informative look at the importance of the sun to life on Earth. Quirky scenes, simple text and friendly flaps answer charming questions such as ’How does the sun help us?’, ’Why are some places hotter than others?’ and ’Where does the sun go at night?’