"Doing Their Bit" is a book by Boyd Cable, first published in 1916 during World War I. It is a collection of short stories that depict the experiences of British soldiers on the front lines. The stories highlight the everyday heroism, camaraderie, and challenges faced by soldiers during the war. Cable's writing captures the courage and resilience of the soldiers as they navigate the horrors of trench warfare and the emotional toll of being away from home. The book provides insight into the lives of ordinary soldiers and offers a glimpse into the human side of war. Overall, "Doing Their Bit" offers a poignant portrayal of the sacrifices made by those who served in World War I.