Joachim Martin (1842-1897) was a carpenter from the village of Les Crottes, in the French Alps, who left a secret diary underneath the floorboards of the . The diary is made up of 72 entries dated between 1880 and 1881. Varying between mundane observations and poignant personal opinions, the diary provides a frank look into the provincial lives of Martin and his neighbors. Among his revelations are the fact that another villager had committed infanticide multiple times and hidden the evidence under a stable. Martin refused to report the man, even when he tried to seduce Martin's wife, writing, "He's my old childhood friend. And his mother is my father's mistress."