This updated edition of the award-winning classic features current population and economic information for the country as a whole, as well as for each of the 50 states, Washington, D.C., and the territories. Full-color, double-page physical and political maps showcase the geography of the entire U.S., while photo essays, fact boxes, and ''More About'' sections add even more details about each state. Dive right into the information-packed thematic maps on population, endangered species, transportation, and more. Young explorers can easily flip from state to state or region to region for fast comparisons without missing a beat! Charts, Web sites, a glossary, and detailed place-name index round out this comprehensive, invaluable volume. With its well-known standards of accuracy and excellence, National Geographic has created another unparalleled resource for school-age children. * Ages 8 to 12 * 176 pages; 132 pages of maps; over 250 illustrations * 10 1/4'' x 13 1/2'' * Hardcover * © 2004