There are 1 book by Courtney O'Brien on BookOrb. A strong starting point is Crime Fighters Club #1 (2022). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Courtney O'Brien written?
BookOrb lists 1 book by Courtney O'Brien.
Where should I start with Courtney O'Brien?
A good starting point is Crime Fighters Club #1 (2022).
What is the Courtney O'Brien books in order list?
In publication order: 1. Crime Fighters Club #1 (2022).