Forty Words for Sorrow

Forty Words for Sorrow is a crime novel from Canadian novelist Giles Blunt, and the first to feature his protagonists John Cardinal and Lise Delorme. Blunt had previous published one other novel, Cold Eye, but this was his first crime novel, and the first to be a critical and commercial success. The novel won the Crime Writers' Association Silver Dagger in 2001.

In 2015, Sienna Films and eOne Entertainment announced that a television adaptation, Cardinal, was in development. The six-episode series, starring Billy Campbell as John Cardinal and Karine Vanasse as Lise Delorme, premiered on CTV and Super Écran on January 25, 2017.