“The Mysterious in War” is the third, additional volume of the unique anthology of mystical and propaganda fiction of the era of the First World War. The vast majority of works belonging to this forgotten and unexplored branch of fantastic literature are being republished for the first time. The reader will find here stories about fateful premonitions, mysterious castles, ghosts on the battlefield, miraculous salvation and retribution, written by both anonymous propagandists and famous writers.