The Pebble in My Pocket: A History of Our Earth - Meredith Hooper; Chris Coady (Paperback) 05-11-2015

Where do pebbles come from? How were they made? This book tells the story of a pebble, from its origins in a fiery volcano 480 million years ago to a busy, modern landscape. Readers follow the processes of rock formation and erosion that create new pebbles all over the world.