The punctuation guide
This website is a must for all writers. It is particularly relevant in an era where communication is by text messages, abbreviations, emoticons and the like. Clearly written prose is a difficult exercise. Proper punctuation clarifies the thought process behind a written statement. A comma in the wrong place can change meaning entirely; a colon or a semicolon in the right place makes a sentence elegant. This visually simple, easily navigable utility is a comprehensive guide to [American] punctuation.