''''Tools Not Rules'''' says Roy Peter Clark, vice president and senior scholar at the Poynter Institute, the esteemed school for journalists and teachers of journalists. Clark believes that everyone can write well with the help of a handful of useful tools that he has developed over decades of writing and teaching. If you ''''google'''' Roy Peter Clark, Writing Tools'''', you''''ll get an astonishing 1.25 million hits. That''''s because journalists everywhere rely on his tips to help them write well every day - in fact he fields emails from around the world from grateful writers. ''''Writing Tools'''' covers everything from the basics (Tool 5: Watch those Adverbs) to the more complex (Tool 34: Turn your notebook into a camera) and uses more than 300e xamples from literature and journalism to illustrate the concepts. For students, aspiring novelists and writers of memos, emails, PowerPoint presentations and love letters, here are 50 indispensible, memorable and usable tools.