As a writer you can never stop learning; the enhancement process is never ending. Here are a few sources that can be helpful to my fellow writers:
WEBSITES-
. mediabistro.com
. avantguild.com

BOOKS-
. Magazine Editors Talk To Writers, Judy Mandell
. Writing Down the Bones, Natalie Goldberg
. Wild Mind- Living the Writer's Life, Natalie Goldberg
. The Right to Write, Julia Cameron
. If You Want To Write, Brenda Ueland
. Writing For Magazines, Cheryl Sloan Wray