Have you ever had anyone tell you your writing is not tight enough? Or did they accuse you of head-hopping and you don't really know what that means? How about 'show--don't tell'? I often blog about writing 'rules' and do's and don'ts.
Here are some links to posts that may help writers understand certain elements of good writing.
and my favorite...
(See which way the dancer spins and take the fun quiz to find out if you are left or right brain dominant.)