The paper deals with the subject analysis of problem picture books. The main aim of the paper is to see into and compare the ways of signature assigning, classification and subject analysis of picture books. The paper's purpose is to point to the importance of subject analysis, classification and signature assigning of problem picture books and picturebooks in general. The process of subject analysis is being analyzed, the terms such as subject analysis, the variety of subject terms and the importance of subject searching via catalogue are being explained and the way of describing the specific picture book in catalogues is being analyzed. In the research, subject terms, signature and classification terms in the Franjo Marković City Library catalogue in Križevci have been analyzed so as the subject terms from The catalogue of Franjo Marković City Library in Križevci, The catalogue of Zagreb City Library - the catalogue for children and youth and topics from The thematic list. The results of the research have shown that the almost all selected problem picture books from The catalogue of Franjo Marković City Library in Križevci have been marked with subject terms mostly using the topics from The thematic list of problem picture books and to all of them the signature and classification terms have been assigned. Using The Zagreb City Library catalogue - the catalogue for children and youth, it is not possible to find any of the problem picture books selected for the sample of the research. This approach discourages users from the further usage of the catalogue.