Two-time Sibert Honor winner Don Brown has crafted a graphic history of the worlds geology with a humble groundhog tour guide, leading readers through the planet's natural history and stages of the Earth's evolution, as well as the incredible natural forces constantly at work.

Two-time Sibert Honor winner Don Brown has crafted a graphic history of the worlds geology with a humble groundhog tour guide, leading readers through the planet's natural history and stages of the Earth's evolution, as well as the incredible natural forces constantly at work.