The publicly accessible library of the Peace Institute - Institute for Contemporary Social and Political Studies offers over 2,000 basic works relating to the fields of sociological and political theory, conflict resolution, non-violent communication, security, women's studies, and cultural policy, as well as some important international scientific periodicals from said fields. In addition, the library also keeps materials from conferences, lectures, and forums organised by the Peace Institute during the 20 years of its existence, and the book and publications collection of the former Open Society Institute - Slovenia. Users can borrow materials or view them in the reading room.
The Peace Institute Library supports also the activities of the KUD Anarhiv's Dwarf's Reading Room and all their holdings are catalogued in the COBISS/OPAC system (under Special Libraries/Science). Peace Institute Library shares the space with Maska Institute library.