MAS Ultra - School EditionDesigned specifically for high school libraries, this database contains full text for nearly 500 popular, high school magazines. MAS Ultra also provides more than 360 full text reference books, 85,670 biographies, 105,786 primary source documents, and an Image Collection of over 502,000 photos, maps & flags, color PDFs and expanded full text backfiles (back to 1975) for key magazines