When a view of Earth is shown on a flat surface, the image is called a map. A map may show the entire surface of Earth, or it may show only certain parts of it. Find out more in Mapping, one of the titles in the Social Studies Essential Skills series. Social Studies Essential Skills provides insight into key social studies concepts that students must know to develop a greater understanding of content. Each AV2 media enhanced book is a unique combination of a printed book and exciting online content that brings the book to life. Readers can access embedded weblinks, audio and video clips, activities, and other features, such as a slideshow, matching word activity, and quiz. Book jacket.