There are 1 book by Iris O'Brien on BookOrb. A strong starting point is Stairway to Heavenly Thinking (2015). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Iris O'Brien written?
BookOrb lists 1 book by Iris O'Brien.
Where should I start with Iris O'Brien?
A good starting point is Stairway to Heavenly Thinking (2015).
What is the Iris O'Brien books in order list?
In publication order: 1. Stairway to Heavenly Thinking (2015).