""John And Sarah, Duke And Duchess Of Marlborough, 1660-1744"" is a historical book written by Stuart Johnson Reid and published in 1914. The book is a detailed account of the lives of John Churchill, the first Duke of Marlborough, and his wife Sarah Churchill, the Duchess of Marlborough. The book is based on unpublished letters and documents found at Blenheim Palace, the ancestral home of the Marlboroughs.The book covers the period from 1660 to 1744,...