Follow in the footsteps of some of the world's greatest explorers as they scale Mount Everest, discover new lands and civilizations, and circumnavigate the oceans in the quest for power and knowledge. Great Explorers tells the stories of some of the world's most influential figures whose stories changed the course of history and created the modern globe. Each explorer's motivations--from the desire for power and riches, to the spread of religion, to establishing trade routes, to simply a thirst for knowledge--are determined through these exciting books. Readers will learn about the...