Chapters in the history of marked persons in the British Isles, by Daniel Huck Tuke, is an important study of the history of treatment of the mentally ill in Great Britain and Ireland. The author analyzed in detail various stages of the development of the treatment and maintenance of the observed persons, starting from the Middle Ages and ending at the end of the 19th century. The book presents interesting facts, statistics and personal stories that reflect important changes in society's ideas about mental illnesses and methods of their treatment. "Chapters in the history of marked persons in the British Isles" helps to better understand the evolution of psychiatry and the treatment of people with mental disorders in the historical context of Great Britain and Ireland.