Writers Keep on Writing Writers who got their start as journalists, working for newspapers and magazines, are a little different from those who started right off writing books. I know. I'm one of them. My first paid writing gig was a column that I wrote for a suburban newspaper. It's Not All Gravy was a humorous column patterned after the great Erma Bombeck - who was my inspiration when it came to parenting - and it ran for several years. Keep in mind that I wrote this column while raising five kids, the youngest a set of twins age three. So I don't want to hear any of you moms with one baby whining out there. Okay, you can whine, but you also have to write. Every day, if you truly are a writer. While the twins napped, I wrote my column on spiral notebooks - I still have a few of them - then in the evening I typed them up on my trusty Smith Corona, which had replaced my 1942 Royal manual. The next day, I loaded all the kids into the van and delivered the column to