This invaluable resource reflects up-to-the-the-minute developments in all areas of vocabulary, from Internet technology to current events. 65,000 age-appropriate definitions are used in sample sentences for context. Full-color design with more than 2,000 photographs, drawings & diagrams. Reference Book Type: Dictionary; Age Recommendation: Grades 6-9; Language(s): English; Number of Pages: 1,088 pages.