This is the story of the men and women who risked everything to find the deepest cave on Earth, earning their place in history beside the likes of Peary, Amundsen, Hillary, and Armstrong. Tabor focuses particularly on the heroic efforts of Bill Stone in the vast Cheve Cave of southern Mexico and Alexander Klimchouk in the supercave Krubera of the Republic of Georgia. Stone -- Klimchouk -- Game over.

"People have used caves for shelter, tombs, and religious sites for thousands of years. Despite this familiarity, caves still hold a sense of mystery and danger. This title dives deep beneath Earth's surface to explore how the world's largest caves formed, as well as what caves can teach us about Earth's past and the forces that are shaping our planet's future. Age-appropriate text with a strong STEM focus is supported by full-color photographs and...

Join Dr. Hazel Barton and Nancy Aulenbach as they travel to unique and forbidding ice caves in Greenland, underwater caves in the Yucatan, terrestrial caves in the Grand Canyon and other spectacular locations. For those compelled to push their limits in the world's most hostile environments, the risk of fatal danger and thrill of new discovery are the everyday factors that make cave exploration such an awe-inspiring experience.

Forces that shape our earth: Explore the major landforms of our world with spectacular video footage. Look at the various forces that affect our physical environment including glaciers, volcanoes, gravity, rivers, lakes and oceans, movement in the earth, wind and temperature changes. This video is a superb introduction to the ways all these forces work together to shape our planet. Glaciers that shape our earth: Glaciers have had a more profound...