A Stranger Between Worlds: A Military Experience by Walter Flex is a gripping war novel that tells the story of one German soldier during the First World War. The main character of the novel went through many trials on the battlefield and during military captivity, experiencing the cruelty of war and the loss of loved ones. He witnesses the senselessness of military actions and tries to find his way between two worlds - the one he was before the war and the one he became because of the war. This book not only reveals the terrible reality of war, but also raises questions about the deep moral dilemmas that every soldier faces. In the novel, Walter Flex successfully combined historical knowledge with intimate thoughts of the main character, which helps the reader to better understand the psychology of a person in the conditions of war. A Stranger Between Worlds: A Military Experience is an insightful work of literature that leaves behind many questions and helps everyone understand the importance of peace and dignity in all circumstances.