Brian O'Sullivan was born in county Cork, Ireland. On completing a degree at University College Cork, he went on to travel extensively. He is now based in New Zealand with his family but returns to Ireland on a regular basis. He writes regualr articles on Irish culture or on his writing at his website which can be found at: http://irishimbasbooks.com.

Brian writes fiction that incorporates strong elements of Irish culture, language, history and mythology. These include literary short stories (The Irish Muse collection), mystery thrillers (The Beara Trilogy), a contemporary version of the Fionn mac Cumhaill/ Fenian legends (The Fionn mac Cumhaill Series) and series based around the character Liath Luachra called 'The Irish Woman Warrior Series'. The first book in this series has been adapted for the screen as a potential television series.

Although he writes predominantly for an Irish audience, Brian's unique style and humour has meant that his books have become firm favourites of readers all around the world.

The fourth book in the Irish Woman Warrior Series was published on 16 March 2022.
Brian O'Sullivan was born in county Cork, Ireland. On completing a degree at University College Cork, he went on to travel extensively. Now based in New Zealand, he runs a small publishing company (Irish Imbas Books) with his family but returns to Ireland on a regular basis. Regular articles on aspects of Irish culture and on his writing can be found on his website at: http://irishimbasbooks.com or on the Irishimbasbooks Facebook page.

Brian writes fiction that incorporates strong elements of Irish culture, language, history and mythology. These include literary short stories (The Irish Muse collection), mystery thrillers (The Beara Trilogy) and a contemporary version of the Fionn mac Cumhaill/ Fenian legends (The Fionn mac Cumhaill Series).

Although he writes predominantly for an Irish audience, Brian's unique style, attention to historical accuracy and humour has meant that his books have become firm favourites of readers all around the world.

The fourth book in the Fionn mac Cumhaill Series (Fionn: Stranger at Mullán Bán) is available for pre-order with Amazon for release on 15 December 2022.

Brian has also edited and provided cultural context for 'The Celtic Mythology Collection' - a series of short story collections based on elements of Celtic cultural mythology. The most recent in the series was released in March 2017.