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.