RT Journal Article SR Electronic A1 Hošek, Adam T1 THE NOVEL INVALIDNÍ SOUROZENCI (DISABLED SIBLINGS) AS A GUIDE TO THE SEMIOSPHERE OF THE UNDERGROUND JF Bohemica Olomucensia YR 2021 VO 13 IS 3 SP 56 OP 62 DO 10.5507/bo.2021.042 UL https://bohemica.upol.cz/artkey/boh-202103-0006.php AB The article explores the role of the novel Invalidní sourozenci by Egon Bondy in the semiotic space of the Czech underground during its formative period in the mid 1970s. It is viewed through Jurij Lotman's comparison between semiosphere and a museum exhibition.