Answer:
publication date.
Step-by-step explanation:
A library also known as a bookhouse can be defined as an institution having various collection of books and other informative materials that people can read to gain more knowledge, insight and motivation about a particular topic.
When using the library's catalog of books, the basic information which would be helpful in determining if the book has current information about a topic is the publication date.
A publication date simply refers to a specific period of time (date) that a literary work was published for easy access by the general public.