Webster's New World College Dictionary (Hardcover) by The Editors of the Webster's New World Dictionaries

Webster's New World College Dictionary includes the only four-color atlas offered by a dictionary of this size. The expanded reference section provides easy access to geographical, historical, and other encyclopedic information. Unsurpassed for nearly half a century for its reliability, clarity, and precision, Webster's New World College Dictionary provides the most accurate information available anywhere. Millions of users worldwide value this unique combination of features, found in no other dictionary: 

* Clear, readable definitions that provide instant understanding 
* More than 160,000 entries and over 800 illustrations, biographical photographs, and maps 
* Page and text redesigned for even greater readability 
* The official dictionary of the Associated Press