Inevitably a bit stuffy and outdated, but worth the read for those that write regularly or take an interest in writing. The book can't quite decide whether it stands on the side of prescription or description. The problem with prescriptive grammar is that its fundamental premise is wrong. The problem with descriptive grammar is that it's already out of date by the time it's written down. You can find both problems in 'The Elements of Style', but you can also find some helpful and sensible advice.