Explore the ocean's layers from the sunny surface zone to the pitch-black trenches. Learn about the abundant life around coral reefs, how different species adapted to their environment, and why life on the ocean floor depends on the layers above. Additional features include a diagram labeling each of the layers, Fast Facts, a phonetic glossary, an index, an introduction to the author, and further sources for learning.
Explore the Grand Canyon's layers from the nearly 2-billion-year-old rocks of the Pre-Cambrian Era to the few formations of the Mesozoic Era. Learn about the different kinds of rock that make up the canyon and how the Colorado River carved them into the majesty of the Grand Canyon today. Additional features include a diagram labeling each of the layers, Fast Facts, a phonetic glossary, an index, an introduction to the author, and further sources for learning.
Explore the rain forest's layers from the airy branches of the emergent layer to the dense underbrush of the forest floor. Learn about the animals that dwell there, the different plant life that thrives, and more. Additional features include a diagram labeling each of the layers, Fast Facts, a phonetic glossary, an index, an introduction to the author, and further sources for learning.
Explore soil's layers from the nutrient-rich topsoil to the rocky base. Learn about the cycle of life and decay, soil's organic and inorganic materials, and the ways soil supports life on Earth. Additional features include a diagram labeling each of the layers, Fast Facts, a phonetic glossary, an index, an introduction to the author, and further sources for learning.
