"The Darkroom of Damocles" is a novel by Dutch author Herman Koch, published in 2000. The story revolves around a photographer who becomes embroiled in a moral dilemma when he discovers a dark secret about a former friend. The narrative explores themes of guilt, memory, and the impact of past actions on the present. The title references the Sword of Damocles, a symbol of impending doom, highlighting the tension between the protagonist's artistic pursuits and the weight of his conscience. The novel delves into the complexities of human relationships and the consequences of choices made in the shadows of one's life.