The Penguin Writers´ Guides series provides authoritative, succinct and easy-to-follow guidance on specific aspects of written English. Whether you need to brush up your skills or get to grips with something for the first time, these invaluable Guides will help you find the best way to get your message across clearly and effectively. Many of us are spending more and more time using emails, especially at work. This practical guide steers you through all the basics and