Inspired by Clifford Geertz's concept, the author analyses blurred genres on the example of biographies, focusing on their contemporary transformations, while scrutinizing their formal, methodological and audience-related (possible reasons behind their popularity) aspects. The ethical dimension of the biographer's work is crucial, and here it is examined from the perspective of the writer's personal involvement and the emotional community of readers (as defined by Barbara Rosenwein). The study also analyses biographies when they are perceived as a type of testimony, experience, an act of creating potential histories, or as critical works. From this perspective, writing a biography is like inciting comprehension by re-evaluating the meaning ...