Marines are a prestigious branch of the military who dedicate themselves to honor, courage, and commitment. In times of conflict, these values turn Marines into the heroes we know them to be. But what are their everyday lives like? What does their rigorous training involve? And what makes being a member of this military branch unique? The answers may surprise you.

Vehicles such as cars, trucks, planes, and ships create much of the pollution in our environment. But did you know that engineers have developed cars that don't produce any pollution at all? Or that good city planning greatly reduces the amount of pollution being produced? See what you can do to reduce transportation pollution. As part of the Searchlight Books™ collection, this series sheds light on an important question-What Can We Do about Pollution?...

Want to know just how tall Mount Everest is? Or what the city of Denver's elevation is? Then look at a topographic map! These maps use lines to show the height and shape of Earth's surface. But how do you read the lines? And what other features do these maps have? Read on to learn the ins and outs of topographic maps!

Children enjoy a special relationship and do special things with their grandmothers.