There are 1 book by Ciarán O'Carroll on BookOrb. A strong starting point is Paul Cardinal Cullen (2008). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Ciarán O'Carroll written?
BookOrb lists 1 book by Ciarán O'Carroll.
Where should I start with Ciarán O'Carroll?
A good starting point is Paul Cardinal Cullen (2008).
What is the Ciarán O'Carroll books in order list?
In publication order: 1. Paul Cardinal Cullen (2008).