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School Library Journal
Gr 9 Up -Appearing five years after the ninth edition, the most comprehensive science encyclopedia available continues its noble (if quixotic) mission to provide current information about every aspect of science and technology, on a level that is "understandable and useful to any person of modest technical training." The overall format remains unchanged. From "A15 phases" to "Zygophyllales," the 7000-plus articles are arranged into a single alphabet, followed by a topical index of article titles, 15 subject study guides, and a comprehensive index. Replete with cross-references and specific facts, each article opens with a basic definition, closes with a bibliography, and in between treats its topic in close detail. Copious figures, equations, diagrams, and black-and-white photos appear throughout, supplemented by the occasional color plate. A new feature of this edition is an associated free Web site for updates and multimedia content. As of September 2007, it contains a small group of articles, some reproduced from the print work and others unique to the Web edition, along with some photo sets, though there is no provision for an updated index. Many print articles have been subjected to minor revision since the previous edition, but a mention of Pluto's reclassification is one of the few updates newer than 2005, and even that happened more than a year ago. Still, for readers in search of hard information on criminalistics, cladistics, geophagia, or any of thousands of other specialized topics, there is no more reliable or accessible resource. -John Copyright 2006 Reed Business Information.