The Portable World: A Complete Pocket Atlas by Willett & Galyard is a comprehensive reference book featuring maps, gazetteers, and atlases of the world. Published by HarperCollins in 1993, this revised edition is a convenient paperback format with a size of 7.6 x 5.2 inches and 272 pages. Written in English, it offers detailed information on various regions and countries, making it a valuable resource for travelers and educators alike. With its portable design and extensive content, this pocket atlas is a must-have for anyone looking to explore the world.