The Pebble in My Pocket
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 […]
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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 […]
The Pebble in My Pocket Read More »