(n.) One who writes, or is versed in, bibliography.

advertising writer annalist art critic author authoress belletrist bibliognost biblioklept bibliolater bibliomane bibliomaniac bibliopegist bibliophage bibliophile bibliopole bibliopolist bibliotaph bibliothec bibliothecaire bibliothecary book agent book collector book printer book publisher book salesman book-stealer bookbinder bookdealer booklover bookmaker bookman bookseller bookworm cataloger chief librarian coauthor collaborator college editor columnist compiler composer copy editor copywriter creative writer critic curator dance critic diarist dictionary editor drama critic dramatist editor editor-in-chief encyclopedist essayist executive editor free lance free-lance writer ghost ghostwriter humorist inditer juvenile editor librarian library director literary artist literary craftsman literary critic literary man litterateur logographer magazine writer man of letters managing editor monographer music critic newspaperman novelettist novelist pamphleteer penwoman permissions editor philobiblist poet printer production editor prose writer publisher reference editor reference librarian reviewer scenario writer scenarist scribe scriptwriter short-story writer storyteller technical writer textbook editor trade editor word painter wordsmith writer