Promotion of the monograph “The Invisible Heroes of Greece” by Gordana Blagojević, PhD, principal research fellow at the SASA Institute of Ethnography, was held at the 67th International Belgrade Book Fair at the stand of the Republic of Srpska, on Tuesday, October 22. Among the speakers at the promotion were Mlađen Cicović, director of the Representative Office of the Republic of Srpska in Serbia, Branko Banović, PhD, director of the SASA Institute of Ethnography, Professor Vladimir Ribić, PhD, from the Department for Ethnology and Anthropology of the Faculty of Philosophy, Belgrade and the author.