Featuring 80 all new maps and more than 350 photos, this guide is the most comprehensive, up-to-the-minute book of its kind on the market today. A perennial favorite with almost a million copies sold in previous editions, it reflects National Geographic's century-long association with America's national parks system and its peerless reputation for travel expertise and cartographic excellence.

* 480 pages, 350 photos, 80 maps and illustrations.