Home to an astonishing variety of plants and animals that have lived and evolved within its walls for millennia, the Grand Canyon is much more than just a hole in the ground. Follow a father and daughter as they make their way through the cavernous wonder, discovering life both present and past. "With vivid imagination, a crystal-clear grasp of the facts, and brilliant artwork, this illuminating look at one of the planet's most fascinating features will entrance young readers". (Booklist, starred review).