The first book of the anniversary edition publishes articles on various professional problems, spheres and planes of studying the history of Ukraine. Articles are grouped by problem-thematic headings - "Civilization. Identity. Regionalism," "The World of Social: Structures, Hierarchies, Communities," "Personalia," "Extreme Chronotope of the Twentieth Century." The second book of the anniversary edition publishes articles on the problems of historiography, source study, historical memory and research tools, and other materials are grouped into problem-themed headings - "Tools and Laboratory of the Historian," "Historiographic Discourses," "Memory," "Receptions and Images," "Ad fontes," "Reflections."