Description from Open Library:

The untold story of the great Oglala Sioux chief Red Cloud, the most powerful Indian commander of the Plains who witnessed the opening of the West and forced the American government to sue for peace in a conflict named for him.

Description from Google Books:

Map of Red Cloud's territory at the height of his power on lining papers.

Snippet from Google Books:

Map of Red Cloud's territory at the height of his power on lining papers.