- An all-new edition of the essential dictionary for children grades 3-5, ages 8-11.. Includes more than 36,000 entries with expanded usage sentences and phrases. Hundreds of new illustrations, photographs, and diagrams. More than 220 word history paragraphs and 120 synonym paragraphs clarify meaning. New features include pronunciation paragraphs at the beginning of each letter. Special sections include geographical terms, signs and symbols, and a Guide for Writers.