Lapping at the sandy shores, stretching from the North Pole to the South Pole and from North America to Africa, the Atlantic Ocean is constantly changing shape and size and is always traveling. It has fascinated people for ages an...

Climb aboard a giant spaceship . . . the Earth! In glorious art, G. Brian Karas illuminates our Earth and its cycles and does a brilliant job of making the concepts of rotation and revolution understandable. As you travel, watch shado...