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 where he established but returns to Ireland on a regular basis. He writes weekly articles on Irish mythology, on aspects of Irish culture and on his writing at his website (http://irishimbasbooks.com).
Brian writes fiction that incorporates strong elements of Irish culture, language, history and mythology. These include Irish historical fantasy (The Fionn mac Cumhaill series), mystery thrillers (The Beara Trilogy) and literary short stories.
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 all around the world.