"Borstal Boy" is a semi-autobiographical novel that depicts the author's experiences in a British juvenile detention center, or borstal, during World War II. The young protagonist is arrested in Liverpool for his involvement with the Irish Republican Army and is sent to borstal where he spends his formative years. The narrative explores themes of patriotism, identity, and the complexities of adolescence, presenting a raw and compelling portrayal of life in detention and the relationships formed there.

"Faithful Place" is a gripping psychological thriller that follows the story of Frank Mackey, a detective in the Dublin Undercover squad. When a suitcase belonging to his long-lost girlfriend from twenty years ago is discovered in an abandoned house, Frank is forced to confront his painful past and the secrets that tore him apart from his family and the love of his life. As he delves deeper into the mystery, Frank becomes entangled in a web of lies, betrayal, and murder, ultimately leading him to question his own identity and the choices he has made.

"The Informer" is a gripping novel set in the tumultuous time of the Irish War of Independence. It follows the story of Gypo Nolan, a former member of the Irish Republican Army, who becomes an informant for the British police in exchange for a reward. As Gypo grapples with guilt and paranoia, he navigates a treacherous world of betrayal, loyalty, and political unrest, ultimately leading to a tragic and suspenseful climax. O'Flaherty's masterful storytelling delves into the complexities of morality and the devastating consequences of one man's fateful decision.

In this psychological mystery, a detective on the Dublin Murder Squad is pulled into a case that unsettlingly intersects with his own past. As a child, he was the sole survivor of a mysterious incident that left two of his friends missing in the woods. Now, with the murder of a young girl in the same woods, he must confront his traumatic memories while trying to solve the case. The investigation becomes increasingly complex, blurring the lines between the detective's professional duties and his deeply personal quest for answers, leading to a chilling exploration of memory, identity, and the darkness that can lurk beneath the surface of seemingly idyllic settings.