Sarah Dunn is an American novelist and television writer known for her sharp wit and keen observations of contemporary relationships. She is the author of three acclaimed novels: "The Big Love," "Secrets to Happiness," and "The Arrangement," which explores modern marriage through the lens of an unconventional open relationship experiment. Dunn has also worked extensively in television, serving as a writer and producer on shows including "Spin City" and creating the ABC sitcom "American Housewife." Her fiction combines humor with insightful examinations of love, fidelity, and the complexities of navigating life's expectations in the twenty-first century.