Mary Lindeen 
Investigating the Rock Cycle 

Audisee(R) e Books with Audio combine professional narration and text highlighting for an engaging read aloud experience! Igneous rocks, sedimentary rocks, and metamorphic rocks make up the three main types of rocks. But did you know that rocks are constantly being created, destroyed, and created again? Or that rocks are changed by weather, erosion, heat, and pressure? See the rock cycle in action in this fascinating book.