This is a guide to punctuation, taking the reader through each punctuation mark in turn, explaining precisely how it functions and when it should be used. In addition, the book highlights some common pitfalls and errors, and discusses the difference between English and American approaches to punctuation. Organized in A-Z format, it also provides hints on how to set out extended pieces of prose, such as essays, letters, reports and bibliographies. Numerous illustrative examples are included.