"One Hundred and Twenty Days of Active Service: A Historical Narrative of the Events of the 65th Campaign in the Northwest" is a book written by Charles Roger Daust. In his work, the author describes in detail the events related to the participation of the 65th regiment in military operations in the northwest. He reveals important moments of the campaign, will tell about battles and fraternization of soldiers, their victories and defeats. This book will be an important resource for those interested in military history and the events of past eras.