Antoine de la Mothe Cadillac had a plan to expand the lands of New France by founding a colony where trade could easily flourish. In 1701, his hunger for power and adventure led him to the… More →

Anxiety disorders, such as phobias, panic disorder, and obsessive-compulsive disorder are the most common group of mental illnesses in the United States. Recent studies suggest eight percent… More →

Once an early settler community had established itself, its first priority was building a school. Students of all ages shared one teacher and the same four walls year after year. A One-Room… More →

This newly revised edition describes how building a school was a priority once an early community became established. Students of all ages shared one teacher and the same four walls year… More →

These army pilots fly the most demanding helicopter in existence, a machine so complex to operate that it's known as 'Riding the Dragon'. Only 3% of existing army helicopter pilots qualify to More →

This book tells the story of the enormous Apatosaurus, who lived during the late Jurassic period between 170 and 140 million years ago. It weighed up to 33 tons (30 metric tons), was more… More →

Twins Camila and Carlos find a postcard in their mailbox from a boy in Australia, and they set off on a magical adventure to see his country. More →

Twins Camila and Carlos find a postcard in their mailbox from a boy in Canada, and they set off on a magical adventure to see his country. More →

Twins Camila and Carlos find a postcard in their mailbox from a girl in Costa Rica, and they set off on a magical adventure to see her country. More →

Twins Camila and Carlos find a postcard in their mailbox from a boy in France, and they set off on a magical adventure to see his country. More →