A Dotsy Lamb travel mystery. 04 : death of a second wife

While staying at the same ski resort as Chet and Stephanie, her ex-husband and his new wife, for her son's wedding, Dotsy investigates the deaths of Stephanie and a cook, which becomes more difficult when she finds numerous guests with motives. "Dotsy's son Patrick is getting married. Patrick wants the whole family to stay together in the same chateau but, ouch, that puts Dotsy in the same house with her ex-husband and his new wife! Murder soon follows"--Author's webpage