"A Lesson in Murder" is a captivating children's book by Celine Leonora set in the world of dark academia. The story follows Astoria Blairwood, a talented student at the elite St. Moriarty school, who becomes embroiled in a murder case when a classmate is found dead. Known for her criminological skills, Astoria quickly becomes the prime suspect. To prove her innocence, she must team up with her academic rivals, Isaac and Theodore. As she attempts to uncover the true murderer, a thrilling love triangle develops, testing the dynamics between the characters. With a gripping plot full of lies and intrigue, this book offers not only excitement but also a deeper exploration of trust and betrayal. The first edition also includes a character map and an appealing colored edge, enhancing the reading experience.