Young readers chart a course for adventure in this colorful series. Travel with Daniel Boone through the Cumberland Gap, sail with Jacques Cousteau aboard the Calypso, map the Rocky Mountains with John C. Fremont, and much more as daring explorers discover what lay beyond the next mountain, river, or ocean.- Colorful images bring these exciting men to life- Detailed maps illustrate each explorer's journeys- Discussion questions promote further reading- Full-color Photographs- Maps- Discussion Questions- Timeline- Index- Bolded Glossary Terms in Text