From Here to Paternity (Jane Jeffry Mystery Series #6)

Jane Jeffry, suburban sleuth extraordinare, and her friend, Detective Mel VanDyne, have braved a blizzard to join her friend Shelley at a Colorado ski resort. In spite of having all their kids along, Jane and Shelley imagine a few mindless days of relaxation. But their hopes are dashed on their first attempt to ski when Jane careens into a snowman that hides a very real -- and every dead -- body.