"The Song of the Guns: Experiences and Moods of a Field Chaplain from the Days of the War of Liberation" is a unique testimony of pastor-chaplain Arvi Järventhaus about the events of the Finnish War of Liberation. He describes his own observations, impressions and emotions from the difficult time when the country was fighting for its independence. The book tells not only about military events, but also about the hero's inner experiences, devotion to his religious principles and moral strength. Thanks to the authenticity and sincerity of the author, the reader can feel the atmosphere of those events and immerse himself in an important period of Finnish history.