To boldly go or to go boldly? Who or whom? When should you use a comma, a colon or a semi-colon? What is the difference in meaning between imply and infer? How can you express yourself more clearly in writing? Is it acceptable to end a sentence with a preposition? Here, in A-Z format, are straightforward answers to questions like these. Written simply, the entries cover many of the problems you are likely to encounter when using English at work, at study or at home. Both US and British spelling and pronunciation is given, and there is advice on avoiding jargon and sexist language, and on the writing of reports and curriculum vitae.