Home for Christmas (Suddenly a Parent #4)
Carrie Weaver

Nancy has her own problems. She's a single mom who doesn't need a man like thrice-divorced Beau. She's been there, done that and got the T-shirt. No need to repeat.
As the season of goodwill toward men approaches, these two families of two are thrown together. Hard to believe, though, that in this case two and two can ever make four.