Do you know how to use semicolons, where to put your apostrophes and when to use commas? Do you know the difference between affect and effect, if and whether, or who and whom? (Does anyone still say whom?) More importantly, do you know why this stuff matters? The truth is that if your writing isn't up to scratch, it just won't be taken seriously. So, if you've reached a stage in your career or education where your writing needs to be high quality, Grammar Rules is a must for your top drawer. Vocational rather than academic, Grammar Rules is packed with real-life examples and keeps you engaged with a wealth of great quotations from Homer the Greek to Homer the Simpson. Straight talking and methodical, Craig Shrives draws on his years as an intelligence officer as well as over a decade spent compiling his popular grammar website to present a comprehensive but light-hearted and easily digestible grammar reference guide. Find out whether winter should have a capital W, the difference between a hyphen and a dash, where to place your commas and crucial cross-Atlantic differences. Grammar Rules is perfect for anyone who wants to brush up on half-remembered rules and write with confidence.