The library board shall, immediately after its appointment, meet and organize by the election of one of its number president, and by the election of such other officers as it deems necessary. It shall make and adopt such rules and regulations as may be expedient. It shall have exclusive control of the expenditure of all library monies collected and the supervision, care and custody of all library buildings and may appoint a librarian and assistants and prescribe rules for their conduct. (1959 Code §2-302)