There are 1 book by Michael Raymond O'Brien on BookOrb. A strong starting point is How to Magish Vol. 2 (2019). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Michael Raymond O'Brien written?
BookOrb lists 1 book by Michael Raymond O'Brien.
Where should I start with Michael Raymond O'Brien?
A good starting point is How to Magish Vol. 2 (2019).
What is the Michael Raymond O'Brien books in order list?
In publication order: 1. How to Magish Vol. 2 (2019).