It is situated on the second floor of the Ajaame mosque in the market place and was built in 1972 and is comprised of materials from various libraries and other sources belonging to the families of Alkhaaf, bin Yahya, bin Sahl, Alhaddad, Ribaat Educational institution, Alhusayni, Alaydrous from Alhazm, library of Sultan Salih Alkuayty from Mukallah along with other places. It contains up to 6200 manuscripts, which are arranged according to the subject, as well as 270 printed materials. Its opening hours are from morning time to just after Zuhr.