Linguists and language teachers from around the English-speaking world explain cultural differences in language as used in Britain, Australia, Canada, New Zealand, and the US that teachers can incorporate into courses teaching English as a foreign language. For example, Australians should not be addressed as Sir or Madam; and the region of the US can be identified by whether a long sandwich is called a submarine, hero, hoagie, or poor boy. No index is provided. Annotation ©2008 Book News, Inc., Portland, OR (booknews.com)