Amanuensis, Noun:
1) Somebody employed by an individual to write from his or her dictation;
2) Ghost writer;
3) Creative writer paid by the word, often without publishing credit

Publishing, Verb:
1) The business of issuing printed matter for sale or distribution which includes document management;
2) The process of accepting the authors work, assisting to refine the content, and making the document publicly available;
3) Cleaning, proof-reading, formatting and structuring electronic material supplied by an author and placing it online