The following books are ones that either myself or other builders have found to be helpful in generating areas.

• Cities in Civilization
  By Peter Hall
  1169 pages
  Published by Weidenfeld & Nicolson
  ISBN 0297842196
• The Elements of Style
  By William Strunk Revised by E.B. White
  105 pages
  Published by Macmillan Publishing Company, Incorporated
  ISBN 020530902X
• The Synonym Finder
  1361 pages
  Published by Warner Books, Incorporated
  ISBN 04466370290