When I was writing for children, I was writing genre fiction. It was like making a good chair. It needed four legs of the same length, it had to be the right height and it had to be comfortable.
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I always thought I'd eventually learn how to draw really well, and despite constant evidence to the contrary, I just kept on trying. If you're too good at anything, you don't have to think about the process, whereas I feel like I spend my life with my head under the bonnet, trying to understand how everything works.