Bizarre, confusing or just plain strange things happen in the world around us all the time. Each title in the Tell Me Why... series delves into some of the great and quirky mysteries of everyday life, and tries to uncover them one topic at a time. By combining the world of science and scientific research with bright, dynamic artwork each book in the Tell Me WhyÉseries helps young readers make sense of the baffling queries in their curious minds. Why is Earth round? Why is the sky Blue? Children are filled with all kinds of questions about the world around them, and they are always looking for answers. With engaging text and eye-catching pictures, Tell Me Why. . . Planet Earth answers these (and many more) often-asked questions about our great planet that fill the minds of curious readers everywhere.