There are 1 book by Johnny O'Brien on BookOrb. A strong starting point is Day of the Assassins Johnny OBrien (2010). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Johnny O'Brien written?
BookOrb lists 1 book by Johnny O'Brien.
Where should I start with Johnny O'Brien?
A good starting point is Day of the Assassins Johnny OBrien (2010).
What is the Johnny O'Brien books in order list?
In publication order: 1. Day of the Assassins Johnny OBrien (2010).