1) Research 
• (n.) Study; application to books. • (n.) Work done upon a book or books (as in a printing office), in distinction from newspaper or job work.
Book'work` noun 1. Work done upon a book or books (as in a printing office), in distinction from newspaper or job work. 2. Study; application to books. 
Art object which makes reference to the structure of the book
work or research that requires studying or reading, as distinguished from laboratory experimentation or the like. · bookkeeping or other paperwork necessary to the running of a business. · work on books or pamphlets, as distinguished from work on newspapers.