-Could the Grand Canyon's rock layers have formed in a single year of Noah's flood?-Why are there no dinosaur, bird or mammal fossils in the canyon's layers?-How do we know that radiometric dating methods are reliable?-How can we tell what happened in the unobserved past?-How long did it take to carve out the canyon?-Is Young Earth Creationism really biblical?Learn the answers to these questions and more to understand how the Grand Canyon testifies to an old earth. Insights from top geologists, highlighted by stunning photographs, provide a memorable guide to these ancient wonders of creation.