A history of therapeutic practices, from ancient rituals to the age of computers, explores traditions from the East and West including herbalism, energy medicine, healing mental illness, and more, and argues that a combination of the Eastern and Western traditions would provide the best healing. Original. IP.
Roy's books cover several fields: the history of geology, London, 18th-Century British ideas and society, medicine, madness, quackery, patients and practitioners, literature and art, on which subjects (and others) he published over 200 books are articles.