Tolly explores the rich history of his family, which pervades the house like magic. He begins to encounter what appear to be the spirits of three of his forebearsan earlier Toseland (nicknamed Toby), Alexander, and an earlier Linnetwho lived in the reign of Charles II. These meetings are for the most part not frightening to Tolly; they continually reinforce his sense of belonging that the house engenders. In the evenings, Mrs. Oldknow (whom Tolly calls "Granny") entertains Tolly with stories about the house and those who lived there. Surrounded by the rivers and the floodwater, sealed within its ancient walls, Green Knowe is a sanctuary of peace and stability in a world of unnerving change. BBC One adapted the book in the television series The Children of Green Knowe (1986), starring Alec Christie as Tolly, Daphne Oxenford as Mrs. Oldknow, and Polly Maberly as Linnet Oldknow. The Chimneys of Green Knowe (1958) The Chimneys of Green Knowe was a commended runner up for the 1958 Carnegie Medal. In the United States it was published within the calendar year by Harcourt, as The Treasure of Green Knowe. The Chimneys also features Tolly, who has returned to Green Knowe for the Easter holidays. As she mends a patchwork quilt, Mrs. Oldknow continues telling Tolly stories about the previous inhabitants of the house. This time, her stories concern Susan Oldknow, a blind girl who lived at Green Knowe during the English Regency, and the close bond of friendship that developed between her and a young black page, Jacob, brought back from the West Indies by Susan's father, Captain Oldknowe. The plot also concerns the whereabouts of Maria Oldknowe's jewels, which may or may not have been stolen by the unscrupulous butler Caxton. The Chimneys was adapted for film as From Time to Time (2009), with Maggie Smith as Mrs. Oldknow, Hugh Bonneville as Captain Oldknowe, and Alex Etel as Tolly. The River at Green Knowe (1959) Mrs. Oldknow and Tolly do not appear in The River at Green Knowe. It is summertime, and the house has been rented by two old ladies: the archaeologist Doctor Biggin and her friend Miss Bun. Doctor Biggin has invited her niece Ida and two "displaced" refugee children, Oskar and Ping, to stay with her at Green Knowe. The children arrive and begin to explore the river and canals round Green Knowe by canoe. The magic of Green