Marquette was a French missionary and Joliet a fur trader and explorer. Together they set out to find the direction and origin of the Mississippi River, ultimately exploring most of the… More →

The important travels and writings of English explorer Mary Kingsley helped develop the British public's knowledge about the African continent. Her concern for indigenous people influenced a… More →

Follow the travels of Sir Walter Raleigh, the English explorer who attempted to create a colony in North America for England. His story is told in tabloid style, using interesting headlines… More →

One of the first Europeans to settle South America, the story of Spanish explorer Vasco Nunez de Balboa is detailed in this fascinating book. Topics include Balboa's voyages, his interactions More →

Space exploration has come a long way since the days when early astronomers thought they could see canals that had been built on Mars through their simple telescopes. Today's scientists have… More →

This fascinating book describes what scientists discovered about the Moon from the Apollo missions that came after the successful landing in 1969, until the last mission in 1972. A discussion More →

This captivating title looks at extinction--from the dinosaurs, 65 million years ago, to the possible extinction of species in our world today. More →

BMX bikes have been around for a long time, but found a whole new outlet when skateboarding became popular. In addition to motocross racing, BMX riders are tearing it up on pipe ramps and in… More →

Motocross events blend tough off-road riding, high-speed racing, and fearless airborne grace. Whether the course is just a mile long or over 1000 miles long, motocross riders deliver pure,… More →

Extreme mountain bikers take to the mountains to satisfy their need for speed and extreme heights. From racing downhill on the steepest mountain slopes to performing tricks on obstacles such… More →