A classification system for knowledge resources on Islam, revised and devised by the IIUM Library to replace the currently used Library of Congress Classification (LCC), subclass BP-Islam. Its maps topics befitting to supposed thesaurus-like arrangement of knowledge in Islam. It introduce subject leading appropriate to Islam. The publications is produced to fulfil the need of the Muslim world for a comprehensive classification system for knowledge resources in Islam, accommodate varying topic for the development of literature on Islam and Islamic law, promote IIUM niche area that is Islam, facilitate research on Islam, and to leverage the IIUM Library as exemplary library to others.