Description: Based on feedback from more than 100 professors, educational reviewers, and other consultants, National Geographic has added special thematic map spreads addressing each Continental Economy. Within each continent, physical, political, and regional mapping is presented at the same scale, which allows the reader to compare map information easily and accurately. In-Stock: 4 Weight: 1814g Subject Keywords:Reference,Encyclopedias ISBN: 9781426208393 Genre: Reference (Encyclopedias & Reference)