There are 2 books by Msgr. Raymond J. O'Brien on BookOrb. A strong starting point is Midget (2016). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Msgr. Raymond J. O'Brien written?
BookOrb lists 2 books by Msgr. Raymond J. O'Brien.
Where should I start with Msgr. Raymond J. O'Brien?
A good starting point is Midget (2016).
What is the Msgr. Raymond J. O'Brien books in order list?
In publication order: 1. Midget (2016), 2. Nice Going, Red (2016).