An International Edition Textbook is simply the international counterpart of a U.S. Edition. All international editions have different covers and different ISBNs. These books were printed to be sold in different regions, such as Asia, Australia, UK etc. Almost international edition textbooks have identical content as its U.S. Edition. Some international edition textbooks have restricted sales disclaimer wordings "Not for Sales in USA and Canada" are printed on the cover of the book. This notice is normally found on international edition textbook, even that book has the same content as US edition or legally use in North America.