Condition: New,UPC: 9781454906759,Publication Date: Wed, January 1, 2014,Type: Paperback ,
description
9Where is planet Earth--and how big is it? Does the ground move under our feet? What would we find if we dug down all the way to the Earths core? And why is the sky blue? Children will discover the answers to these and other must-know questions about our amazing planet.