"A Long Long Way" is a historical novel by author Sebastian Barry that follows the life of a young Irishman named Willie Dunne during World War I. Set against the backdrop of the war, the story explores themes of love, loss, and the impact of conflict on individuals and families. Willie, who serves in the British Army, grapples with the harsh realities of war while longing for his home and loved ones. The narrative also delves into the political tensions in Ireland during this period, highlighting the struggles between national identity and loyalty. As Willie faces the brutality of battle, he reflects on his relationships and the changing world around him, ultimately seeking a sense of belonging and purpose amidst the chaos.