Oil

<p>Despite ongoing efforts to find alternatives, oil is still one of the most critical -- and valuable -- commodities on earth. This two-volume set provides extensive background information on key topics relating to oil, profiles countries that are major producers and consumers of oil, and examines relevant political issues.</p><p><br>* Offers a complete resource that covers basic concepts relating to the oil industry as well as major incidents such as various oil spills and the specifics of the oil industry in key countries</p><p>* Includes sidebars throughout the encyclopedia that present interesting information to supplement the main text as well as images, maps, and charts that provide additional meaning and context</p><p>* Serves as an essential reference for students of social studies, geography, current events, political science, and environmental science</p>