MAS Ultra - School Edition (EBSCO)This comprehensive database, designed specifically for high school libraries, contains full text for nearly 500 popular, high school magazines including Americas Civil War, American Heritage, American History, Archaeology, Astronomy, Bioscience, Careers & Colleges, Civil War Times, Congressional Digest, Discover, Economist, History Today, Nation, National Review, New Republic, New Scientist, Popular Science, Science News, Scientific American, Smithsonian, World War II, etc. All full text articles are assigned a reading level indicator (Lexiles). Full text is also available for 84,774 biographies and 100,554 primary source documents. Additionally, MAS Ultra School Edition contains more than 350 reference books (including the Columbia Encyclopedia, the CIA World Fact Book and World Almanac & Book of Facts), an Image Collection of 235,186 photos, maps & flags, color PDFs and expanded full text backfiles (back to 1975) for key magazines.