Describes the geographical characteristics of canyons, explains how they are formed, identifies typical plants and animals found in canyons, and examines what it would be like to live in the Grand Canyon.
Photographs and simple text explain how water formed a canyon, from its journey down a moutainside to its formation of a raging river that carved the canyon out of rock.
Describes canyons and how they are formed, highlighting the unique features of the world's deepest canyons, the Valles Marineris canyons on Mars, and the submarine valleys found on the ocean floor.
Provides information about canyons, explaining what they are, how they form, and where they are located, and looks at the risks scientists take in their efforts to study and learn more about canyons.
Presents color photographs of canyons found around the world, and includes information about the geological processes involved in the formation of canyons and gorges.
Photographs and simple text describe canyons, explaining how the landforms are created, why they are an important part of the planet, and where the largest canyons can be found.