The book "Satrovacki" by Betascript Publishing offers a comprehensive analysis of the linguistic phenomenon of syllable permutation found in the Serbian, Croatian, Bosnian, and Macedonian languages. This particular form of language, also known as slang, has its roots in the criminal underworld of Yugoslavia, where it served as a means of communication that was not understood by the authorities. Today, Satrovacki has spread among young people and is used in informal conversations. The book examines the development and dissemination of this linguistic phenomenon and highlights its variations in urban areas such as Belgrade, Zagreb, Sarajevo, and Novi Sad. It is a valuable academic resource for anyone interested in linguistics and the cultural aspects of the Yugoslav languages.