Amazon.com description: Product Description: Wadsworth's World History Resource Center gives you access to a "virtual reader" with hundreds of primary sources such as speeches, letters, legal documents and transcripts, poems plus maps, simulations, timelines, and additional images that bring history to life, along with interactive assignable exercises. A map feature including Google Earth? coordinates and exercises will aid in comprehension of geography and use of maps. You can compare the traditional textbook map with an aerial view of the location today. It's an ideal resource for study, review, and research. In addition to this map feature, the resource center also provides blank maps for review and testing.