Key Selling Points This is a retelling for the youngest audience of the classic picture book Mom and Mum are Getting Married! which was one of the first children's books on same sex marriage, published in 2004. Mom Marries Mum! will join a very small list of board books about same sex families, let alone same sex marriage. Author Ken Setterington is well known in the Queer and the library community. He is the author of Branded by the Pink Triangle , which tells the story of Gay victims of the Holocaust and was named a Stonewall Honor Book by the American Library Association.