What's the Rule? is a reference guide designed for busy business professionals. Easy to access, easy to read, and easy to understand, it is a quick reference tool for anyone who needs to check an English punctuation, grammar, or usage rule. What's the Rule? has been thoroughly researched. All rules were compared against more than 30 writing texts, style guides, and reference books to ensure completeness and to determine the consistency of rules among experts in the field. Written in plain English, this guide is a comprehensive reference and includes examples to illustrate every rule. The 5 1/2 x 8 1/2-inch coil-bound book has a semi-concealed binding that gives it a spine for storage and quick retrieval from a bookshelf. The binding also allows the book to be opened flat on a desktop or to fit easily in a briefacse or a laptop computer case.