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

2017

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

2024

Fionn: Stranger at Mullán Bán (the Fionn mac Cumhaill Series #4)

2022

Liath Luachra: The Swallowed

2018

The Bartender (Unabridged)

2024

The Photo Album (Unabridged)

2025

The Bay Area Butcher: Quint Adler, Book 2 (Unabridged)

2025

Revenge at Sea (Unabridged)

2025

Nine Days in Vegas: Quint Adler Thrillers, Book 4 (Unabridged)

2024

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

2025