Cosmic is the stellar addition to your classroom! Liveley and bright, Cosmic leaps from the page. Students simply cannot resist this exciting course. ...

Britain is a small country, but it has a long history. Two thousand years ago, it was part of the Roman Empire. In the 1930's the British Empire was t ...

Born in 356 BC, Alexander the Great became the king of Macedonia at age twenty. When he dies at age thirty-two, he ruled the biggest empire that the w ...