Used Book – The Choice of Others, Françoise Bourdin

Lucas and Clémence, Virgile and Philippine—two couples of friends like so many others. But these four thirty-somethings don't take turns inviting each other for dinner; they live under the same roof, in a huge chalet designed for a large family.

Friends since high school, the two boys, both passionate about mountains, brought their families to the heart of the Alpes-de-Haute-Provence, and since then, four adults and two little girls have been living in harmony at nine hundred meters of altitude. But will this beautiful understanding withstand the return to the region of Clémence's ex-husband, who never got over their separation and is determined to win back the woman he still considers his wife?

Jealousy itself comes to stay at the chalet, risking infecting its inhabitants...