Project “Thin red line” consists of free publications: unpublished memoirs until now of Bolesław Kozub, soldier of 1st Polish Armoured Division. Second part of project presents document which is testimony of meeting of this author with Zygmunt Krzystanek – Dagna’s grandfather. Third book consists of reproduction of photographs from World War II and photographs made by Dagna Krzystanek. Thin red line is major graphic motive of book, which presents soldier’s way during World War II. Red line indicateS thin border between normality and madness.