Journey backwards to Deep Time, starting in the present and zipping back 100s of millions of years, stopping in frozen ice ages, lush prehistoric rainforests and ancient oceans along the way. Bold illustrations allow children to discover fascinating creatures, including hungry dinosaurs and enormous mammoths. Infographics reveal the secrets of Earth's geology and environments, linking ancient creatures and places to our own time and to some of the major issues facing societies right now, such as climate change, deforestation and extinction events.