There are 2 books by Orla O'Brien on BookOrb. A strong starting point is Travel Ireland (2006). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Orla O'Brien written?
BookOrb lists 2 books by Orla O'Brien.
Where should I start with Orla O'Brien?
A good starting point is Travel Ireland (2006).
What is the Orla O'Brien books in order list?
In publication order: 1. Development centres in Irish spatial planning (2002), 2. Travel Ireland (2006).