A Double Knot

Popular 19th century novel. According to Wikipedia: "George Manville Fenn (January 3, 1831, Pimlico - August 26, 1909, Isleworth) was an English novelist, journalist, editor and educationalist… Fenn's first story for boys, Hollowdell Grange, appeared in 1867. It was followed by countless other novels for juveniles and adults. Over 170 of them are thought to have been published in book form. Having become editor of Cassell's Magazine in 1870, he purchased Once a Week and edited it until it closed in 1879. He also wrote for the theatre."