41 Publishing of books, e-books, audio books, music and illustrations; Digital on-demand printing services of books and other documents; Editing of books; Ghostwriting of Education and Entertainment and Sporting and Cultural Activities - Publishing of books, e-books, audio books, music and illustrations; Digital on-demand printing services of books and other documents; Editing of books; Ghostwriting of indicate, e.g., fiction, non-fiction, memoir, etc. books other than for advertising or publicity; Publishing of books, magazines books other than for advertising or publicity; Publishing of books, magazines