This hardcover book titled "Twentieth-Century Montana: A State of Extremes" by K. Ross Toole provides an in-depth historical account of Montana's unique and diverse landscape. The book is written in English and published by University of Oklahoma Press, comprising 278 pages covering the history of the United States, particularly the West (Ak, CA, Co, Hi, Idaho, Mt, Nv, Ut, WY). It falls under the category of Books and Books & Magazines and is a great addition for anyone interested in understanding the history of Montana.