The book "History of the Ninth Regiment of Illinois Volunteers" reflects the events of the Civil War in the USA through the prism of the military experience of another one of the regiments. Author Marion Morrison describes in detail the role of the Ninth Regiment of Illinois Volunteers in various battles and operations, unfolding before the reader the lives of the soldiers, their actions on the battlefield and outside of combat, as well as the emotions and fears they experienced. This book is an important resource for those interested in the military history of the American Civil War and who want to better understand the contribution of individual units to the overall picture of the conflict.