John Nicholl

John Nicholl is a Welsh author acclaimed for his psychological thrillers and crime novels, which explore themes of justice, trauma, and human resilience. Drawing from his background as a former police officer and child protection social worker, his work is marked by unsettling realism and emotionally charged narratives. His debut novel, "The Doctor," became a bestseller, establishing his reputation for crafting dark, psychologically intense stories. He has since published other notable works, including "The Wife" and "The Cop," which have garnered international recognition and a devoted readership.

Nicholl's writing is deeply influenced by his firsthand experiences in law enforcement and social services, lending authenticity to his exploration of societal darkness and psychological manipulation. His novels often expose the vulnerabilities of human nature while highlighting the enduring strength of survivors. Beyond fiction, he is an advocate for mental health awareness and abuse prevention, using his platform to address the real-world issues reflected in his work. Residing in West Wales, Nicholl continues to draw inspiration from his surroundings, crafting stories that resonate with readers seeking gripping, thought-provoking narratives.
DI Gravel Books
# Title Year
1 The Carmarthen Murders / Portraits of the Dead 2016
2 The Tywi Estuary Killings / A Mind To Kill / Before I Met Him 2018
3 The Castle Beach Murders / A Cold Cold Heart 2018
4 The Dryslwyn Castle Killings / Every Move You Make 2018
Dr David Galbraith Books
# Title Year
1 The Doctor / White Is the Coldest Colour 2022
2 The Wife / When Evil Calls Your Name 2022
3 The Father 2022
John Nicholl Standalone Novels
# Title Year
1 The Cop / The Girl in Red 2019
2 The Student / The Girl in White 2019
3 Mr Nice 2020
4 The Sisters / The Sisterhood 2020
5 The Victim / Killing Evil 2021
6 The Cellar 2022
7 The Bride 2023
8 The Holiday 2024
9 The Boyfriend 2025
10 The Surgeon 2025
John Nicholl Short Stories/Novellas
# Title Year
1 Bully Boy Blue 2017