Discover a world of wonders . . . naturally! How was the Grand Canyon created? What causes a volcano to erupt? Where is the world's longest river? Can a raindrop create a cavern? Join popular ABC-TV weather forecaster Spencer Christian as he reveals the mysteries behind some of the world's most amazing waterways, mountains, forests, glaciers, caves, and more! Learn about natural forces and events that continue to change and shape our planet even today. Find out how water can carve through the earth's rocky surface like a knife through butter. Discover how forests serve as the earth's air recycler. Build your own volcano and watch it erupt! What Makes the Grand Canyon Grand? is a spectacular tour through a dazzling assortment of Mother Nature's most intriguing masterpieces. Fascinating, easy-to-do activities let you experience nature up close, while dozens of fun facts and illustrations bring the world's wonders to awesome life. For children ages 8 to 12 Read Less