Kerrigan Byrne's A Vocation of Violence is a gripping tale that seamlessly blends elements of historical fiction, mystery, and psychological drama. Set against the backdrop of Victorian London, the novel explores the dark underbelly of high society through the eyes of Fiona Mahoney, a character whose past is as enigmatic as the city she inhabits. Byrne's narrative is a masterclass in tension-building, with each chapter peeling back layers of intrigue and suspense.

At the heart of the story is Fiona Mahoney, a character who is as complex as she is compelling. Fiona is not your typical Victorian heroine; she is a woman with a past shrouded in mystery and tragedy. Her family history in Ireland is a shadow that looms large over her present, and Byrne skillfully uses this to add depth to Fiona's character. The arrival of her late brother's best mate, now a prizefighter, serves as a catalyst for the unfolding drama. This character, who is both a link to her past and a potential threat to her future, is portrayed with a nuanced complexity that keeps readers guessing about his true intentions.

Byrne's portrayal of Fiona is particularly noteworthy. She is a character who defies the conventions of her time, a woman who navigates the male-dominated world of crime and violence with intelligence and grit. Her role as a cleaner of crime scenes is both symbolic and literal, as she attempts to cleanse her own life of the stains of her past. The moral ambiguity of her profession is a recurring theme throughout the novel, forcing Fiona to confront her own ethical boundaries. This internal conflict adds a layer of psychological depth to the story, making Fiona's journey as much about self-discovery as it is about solving a murder.

The novel's setting is another of its strengths. Byrne's depiction of Victorian London is vivid and atmospheric, capturing both the opulence of high society and the gritty reality of its underworld. The contrast between these two worlds is stark, and Byrne uses this dichotomy to explore themes of class and power. The high-society murder at the center of the plot serves as a microcosm of the larger societal issues at play, highlighting the disparity between the privileged and the marginalized.

One of the most compelling aspects of A Vocation of Violence is its exploration of the theme of identity. Fiona's struggle to reconcile her past with her present is a central thread throughout the novel. Her interactions with the prizefighter, a man who embodies both the violence of her past and the potential for redemption, force her to confront her own identity and the choices that have shaped her life. This theme is further underscored by the novel's title, which suggests that violence is not just an external force, but a vocation—a calling that defines one's identity.

Byrne's writing is both evocative and precise, with a keen eye for detail that brings the story to life. Her ability to create tension and suspense is evident in the novel's pacing, which keeps readers on the edge of their seats. The plot is intricately woven, with each twist and turn adding to the overall sense of mystery and intrigue. Byrne's skillful use of foreshadowing and red herrings ensures that the story remains unpredictable, keeping readers engaged until the very end.

In comparison to other works in the genre, A Vocation of Violence stands out for its strong character development and thematic depth. While it shares similarities with other historical mysteries, such as Anne Perry's Thomas Pitt series or C.S. Harris's Sebastian St. Cyr novels, Byrne's focus on the psychological aspects of her characters sets her work apart. Her exploration of moral ambiguity and identity adds a layer of complexity that elevates the novel beyond a simple whodunit.

Overall, A Vocation of Violence is a compelling and thought-provoking read that will appeal to fans of historical fiction and mystery alike. Kerrigan Byrne has crafted a story that is both entertaining and intellectually engaging, with characters that linger in the mind long after the final page is turned. Fiona Mahoney is a heroine for the ages, a woman whose journey of self-discovery and redemption is as captivating as the mystery she seeks to solve. Byrne's novel is a testament to the power of storytelling, a reminder that the past is never truly behind us, and that the choices we make define who we are.