Brian O'Sullivan

Fionn: Defence of Rath Bladhma (The Fionn mac Cumhaill Series #1)

2014

Fionn: Traitor of Dún Baoiscne (The Fionn mac Cumhaill Series #2)

2015

Fionn: The Adversary (The Fionn mac Cumhaill Series #3)

2017

TNM Classification of Malignant Tumours

2025

Fionn: The Betrayal

2025

Fionn: The Tightening Trail (the Fionn mac Cumhaill Series #5)

2024

The Video Tape: Bobby McGowan Thrillers, Book 3 (Unabridged)

2025

Debut Novel (Unabridged)

2025

The Final Chapter: Quint Thrillers, Book 8 (Unabridged)

2025

The Other Annie (Unabridged)

2025

The Photo Album (Unabridged)

2025

Persona Non Grata: Quint Adler Thrillers, Book 7 (Unabridged)

2024