The book "War Letters of a Grammar School Boy" (by Henry Paul Mainwaring Jones) is a collection of letters written by a young boy during his participation in the First World War. In his letters, the main character shares his impressions of life at the front, talks about combat operations, his own fears and hopes. Through this collection of letters, the reader can feel how the meaning of war affects an ordinary teenager who suddenly found himself in a difficult situation. The book "War Letters of a Gymnasium Student" is an important document not only about the war, but also about the loss of innocence and maturity in extraordinary conditions.