There are 1 book by Ruairí O'Brien on BookOrb. A strong starting point is Das Museum im 21. Jahrhundert (2007). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Ruairí O'Brien written?
BookOrb lists 1 book by Ruairí O'Brien.
Where should I start with Ruairí O'Brien?
A good starting point is Das Museum im 21. Jahrhundert (2007).
What is the Ruairí O'Brien books in order list?
In publication order: 1. Das Museum im 21. Jahrhundert (2007).