This action-packed series highlights eight famous journeys that set records and expanded the boundaries of people's knowledge. Each book uses short paragraphs of easy-to-read text to describe one journey's main events and lasting impacts, as well as the dangers and challenges travelers faced. This book tells the exiciting story of how the Corps of Discovery explored the Louisiana Purchase. Short paragraphs of easy-to-read text and plentiful photos make reading engaging and accessible. The book also includes a table of contents, fun facts, sidebars, comprehension questions, a glossary, an index, and a list of resources for further reading. AGES: 7 to 9