The title "Peccavi" is Latin for "I have sinned," indicating themes of guilt, repentance, and moral conflict. The novel likely revolves around a central character who grapples with a significant moral or ethical dilemma, exploring the consequences of their actions and the journey towards redemption or resolution.E.W. Hornung's writing in "Peccavi" would be characterized by his attention to character development and his ability to create suspense and intrigue. While the specific plot details of "Peccavi" are not as widely known as his Raffles series, the novel's themes and title suggest a deep exploration of personal guilt and the complexities of human conscience.