"The North Water" by Ian McGuire is a dark historical fiction novel set in the 19th century that follows the journey of a whaling ship called the Volunteer and its crew as they embark on a dangerous voyage to the Arctic. The protagonist, Patrick Sumner, a disgraced surgeon, joins the crew as they set out on the perilous journey. However, the voyage takes a disturbing turn when they encounter a psychopathic harpooner named Henry Drax, who is capable of unspeakable acts of violence. The novel explores themes of morality, survival, and the human condition in a harsh and unforgiving environment.