All Roles Author 18 Publisher 13 Reader 4 Book Distributor 0 Book Promotor 0 Book Reviewer 2 Bookstore 4 Catalog Manager 3 College 0 Content Writer 1 Cover Designer 0 Editor 0 Illustrator 0 Journalist 0 Library 1 Literary Agent 0 Magazine 0 Narrator 0 Newspaper 0 Paper Merchant 0 Printer 0 Professional 1 Professor 0 Proofreader 0 Scholar 0 School 1 Student 1 Teacher 1 Translator 0 Typesetter 0 University 1