Throughout history, the urge to explore has shaped human civilization. The restless human spirit drives us to push beyond the borders into unknown lands. The Great Explorers series takes readers on some of history's greatest adventures, from the most remote lands to the deepest oceans, even to the far reaches of outer space. Clear writing is combined with colorful photos, illustrations, and maps. Young readers will enjoy learning about the power of exploration. Aligned to Common Core Standards and correlated to state standards. ABDO & Daughters is an imprint of ABDO Publishing Company.