Why I’ve decided to call myself a book editor (when I’m technically a copyeditor) Do you know what copyediting is? My business card says ‘Siân Smith proofreader and copyeditor’ because I wanted to distinguish between developmental editing and copyediting. What I’ve learnt since launching my editorial business last year is that most people who don’t work in publishing don’t know what copyediting is. In fact, when I think about it, I don’t think I completely knew what the term