out of print books

Bookfinder.com, an online price comparison tool for books, has released an annual list of its most searched for out-of-print books for the past 14 years.
On April 26, Bookfinder.com released its 13th annual report of the 100 most coveted out-of-print books in the United States.
Earlier this week, Bookfinder.com released its eleventh annual report on the 100 "most searched for out-of-
Yesterday, BookFinder.com issued its annual report on books that are "out-of-print and in demand," i.e.