There are 2 books by Kevin L. O'Brien on BookOrb. A strong starting point is Her Majesty's Monster Hunter: Volume 1 (2018). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Kevin L. O'Brien written?
BookOrb lists 2 books by Kevin L. O'Brien.
Where should I start with Kevin L. O'Brien?
A good starting point is Her Majesty's Monster Hunter: Volume 1 (2018).
What is the Kevin L. O'Brien books in order list?
In publication order: 1. Eldritch Blue (2004), 2. Her Majesty's Monster Hunter: Volume 1 (2018).