"Birdsong" is a novel by Sebastian Faulks that explores the impact of World War I on individuals and society. The story follows Stephen Wraysford, a young Englishman, as he experiences love, loss, and the horrors of war. Through his journey, readers witness the beauty of life before the war and the devastating changes it brings. The narrative shifts between Stephen's past and his experiences in the trenches, highlighting the contrast between peaceful moments and the brutality of battle. Themes of love, memory, and the struggle for survival are woven throughout, making "Birdsong" a poignant reflection on the human condition during one of history's darkest times.