I've read two interesting stories this week that got me thinking about the whole political correctness thing involved in writing for children. As many of you will know, I brought up three sons and was also a school teacher, so I've had quite a bit of experience with books and kids. My boys had literally hundreds of books because I discovered early on, when George was just a baby, that children's books at jumble sales were ridiculously cheap. Sometimes only 1p, but at most 10p. I'd come h...