When all manuscript mistakes have been corrected and all accredited revisions carried out, the manuscript is then typeset and readied for printing. However, there have been some which have paid upwards of £600 because their book bundled maps, graphics next to each chapter identify etcetera and usually had heftier manuscripts. https://maplepublishers.com/blog/4-most-popular-self-publishing-uk-services-according-to-records/