And Then There Were 47: Cards on the Table by Agatha Christie

Welcome to Dame Agatha's twentieth mystery novel! There are those
who love Cards on the Table, and those who loathe Cards on the
Table. As it turns out, we (mainly) love it. Regardless of your
feelings, you have to admit there is much to unpack here in the way
of not just bridge but psychology. Plus: Ariadne Oliver! Let the
meta-hijinks begin!