Commonwealth, by Ann Patchett

This 2016 bestseller has received lots of good reviews. It begins with an unexpected and uninvited guest arriving at the christening party for Franny, second daughter of Fix and Beverly Keating. Bert Cousins brings a bottle of gin as a present, something unexpected and unusual at a christening. As the party goes on, everyone gets drunk; most people behave badly; a priest gives up his vocation; and Bert, who has a pregnant wife and three children at home, falls in love with Beverly.

I was rea...