Reading level 9-12. The Earth is a planet full of mystery and wonder. This book explores it in a way that none have done before--by looking at it from the outside in. With the help of NASA photography from the Space Shuttle program, satellite imagery, computer enhanced photography and digital artwork you can explore the adventure of our pysical world. Learn how our planet was born, how it keeps cool, why the earth shakes, rattles and rolls, and many more fascinating facts that as a young adventurer you have just got to know!