"There are books that discuss freelancing in the driest, most straightforward terms- and then there's The Essential Guide to Freelance Writing, which takes fledging freelancers under its wing and shows them the ropes with practical advice and secrets of the business. Zachary Petit, former managing editor of Writer's Digest magazine and a seasoned freelancer with over ten years' experience, shares the innumerable lessons he's learned from working "in...