Out of print
An out-of-print (OOP) or out-of-commerce item or work, such as a book, is something that is no longer being published. The term applies to all types printed matter, visual media, sound recordings, and video recordings.
- European Bureau of Library, Information and Documentation Associations (September 20, 2011). "Memorandum of Understanding (MoU) on Key Principles on the Digitisation and Making Available of Out-of-Commerce Works – Frequently Asked Questions" (PDF) (Press release). Retrieved April 6, 2019.