"A stone is not just a stone: a stone is a story. Embark on a journey across time to see how one stone can change and transform, from magma under Earth's crust, to the sand swept up by a rushing river, to the very heart of the tallest mountain. Watch what happens when rain, ice, and wind mold this rock into something new, something you might even hold in your hand--something full of endless possibility"--Provided by publisher.