This book is categorised in "Regiments" (of which "Divisions" is a sub-category) because it is a form of history of the 16th Irish Division. Staniforth enlisted as a private. He started with the 6th Battalion Connaught Rangers, but very quickly transferred to the 7th Battalion, The Prince of Wales Leinster Regiment (Royal Canadians), which was in the same Brigade (47th) as the Connaughts.
The book describes the life of the enlisted men and the officers of the Division in the trenches on the Western Front.