""His Friend And His Wife"" is a novel written by Cosmo Hamilton and published in 1920. It is set in the Quaker Hill Colony, a religious community in upstate New York, and follows the story of two men, David and John, who are best friends. David is married to Margaret, while John is engaged to marry her sister, Ruth. The novel explores the complex relationships between the four characters as they navigate love, marriage, and friendship within the...