Stephen Curtis 
Perfect Punctuation 

Perfect Punctuation is an invaluable guide to mastering punctuation marks and improving your writing. Covering everything from semi-colons to inverted commas, it gives step-by-step guidance on how to use each mark and how to avoid common mistakes. With helpful examples of correct and incorrect usage and exercises that enable you to practise what you »ve learned, Perfect Punctuation has everything you need to ensure that you never make a mistake again.
The Perfect series is a range of practical guides that give clear and straightforward advice on everything from getting your first job to choosing your baby »s name. Written by experienced authors offering tried-and-tested tips, each book contains all you need to get it right first time.