The International Youth Library (IYL) (Internationale Jugendbibliothek, IJB) in Munich is a library that specializes in the collection of children and youth literature from around the world in order to make them available to the public, focusing on the international community. This library is the largest of its kind worldwide, and has been operating since June 1983, in Blutenburg Castle in the Munich district Obermenzing, before this time the library was located in Schwabing.