Book publishing; Publishing of journals, books and handbooks in the field of medicine; Online electronic publishing of books and periodicals; Publishing of books and reviews; Book and review publishing; Publishing of books, magazines; Publishing of books, e-books, audio books, music and illustrations; Multimedia publishing of books, magazines, journals, software, games, music, and electronic publications; Publication of audio books; Newspaper publishing; Electronic desktop publishing; Music publishing services; Publishing of electronic publications; Digital video, audio, and multimedia publishing services; Online electronic publishing of text and graphic works of others featuring information regarding securities market services and securities trading activity, information regarding publicly-traded companies and other financial and business information; Providing online non-downloadable e-books featuring test-taking strategies and practice questions for college entrance exams; Publication of musical texts