In this collection of stories, Pernjak deals with quite ordinary, everyday situations, but finds something new and original in them. These are thematically diverse stories that center on interpersonal relationships.
Mrka kapa is a book of short prose written under the pseudonym Aristid Teofanović, used by Slobodan Blagojević. Blagojević is also known by the heteronym Anhel Antonić (poetry) and other works under his real name.