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Earth Shapers

Did an asteroid really kill the dinosaurs? How did glaciers form Earth’s mountains, valleys, and lakes? Find these answers and more in these fact-filled books. Earth Shapers highlights how asteroids, glaciers, supervolcanoes, and tectonic plates changed the shape of our planet. Bright, full-color photographs complement the carefully leveled text to make reading for understanding easy and fun. Includes diagrams, sidebars, photo labels, an activity, glossary, and index.