Tracy Nelson Maurer 
Using Road Maps and GPS [PDF ebook] 

Ever wonder what route would get you from coast to coast the fastest? Or where to find camping spots on a road trip? Road maps and GPS give details about routes and sites. But how do you use them? And how can you make the most of these tools to get the information you need? Read on to become a pro at using GPS and road maps!As part of the Searchlight Books collection, this series explores the geographical question What Do You Know about Maps? Informative text, compelling photos, and engaging captions will help you expand your map knowledge!