Well-known or well known? Affect or effect? Majorca or Mallorca? Royal Family or royal family? Spell check cannot be relied upon to help with the trickier aspects of the English language. Even the most sophisticated writers of English will be faced with questions and problems in the quest for clear, elegant and correct writing. This reference answers these questions, and thousands of other usage conundrums, with a comprehensive collection of entries designed to sweep the minefield of the English language.