"The Frontier in American History" is the famous work of Frederick Jackson Turner, a prominent American historian. In the book, the author examines the influence of the border on the formation of American society and culture. He examines the process of colonization of the West, relations with indigenous peoples, and the formation of national identity. Turner points to the importance of the border as a determining factor in the development of the United States, which became the basis for further scientific studies of American history. This book remains relevant and interesting for anyone interested in American history and the processes of nation-building.