The Cruelest Month, by Louise Penny, is the third novel in the Three Pines Mysteries series, which feature Chief Inspector Armand Gamache, published in 2008. In December 2022, the novel was adapted to streaming television at Amazon Prime Video as the two-part second arc of Three Pines, starring Alfred Molina, written by Jamie Crichton and directed by Tracey Deer. Source: Wikipedia (en)