The Frozen River by Ariel Lawhon is a historical mystery set in 1789 Maine, centered on Martha Ballard, a midwife with a keen eye for detail and justice. When a man's body is found frozen in the ice of the Kennebec River, Martha is called upon to examine it. Her extensive diary, which records births, deaths, and secrets of her town, becomes central to the investigation. The man found dead is linked to a brutal rape case that occurred months earlier, and Martha’s pursuit of the truth reveals deep secrets within her community. As the story unfolds, the novel explores themes of justice, the limitations placed on women in the 18th century, and the personal costs of seeking the truth. Martha’s bravery and compassion make her a compelling heroine, challenging the gendered boundaries of her time.