"Our intention wasn't to merge the religious aspects," Gompertz said, "but rather the secular aspects of the holidays."
Their site explained Chrismukkah and had stories about celebrating holidays as an interfaith couple along with mixed-faith holiday cards. [Note: Site missing as of 12/09]
Holidays and Interfaith Marriages
Compare Prices: "The Half-Jewish Book: A Celebration" by Daniel Klein and Freke Vuijst