For instance, you could say:
The author is only the first part of the process in producing a book. We get all the credit, of course, and lots of people don’t realise the number of other professionals involved in turning a few thousand words into an attractive, readable, desirable book. In the first of a series of articles about the publishing process, here’s my editor, Ruxandra Campeanu, to explain the part she plays.
“My favourite moment while editing Dragons over London was seeing the layout with the illustrations in place. Up to that point, I had mostly been concerned with the text, and that was the very first time when I got an idea of how the book would look like as a physical object. I particularly liked the scene where the mice, upon having learnt that Xiaolong had been deceiving them, decide to withdraw their support from him. I loved the way the text and the illustration on page 122 come together to capture the emotional intensity of the moment…”