There are 1 book by Hank O'Brien on BookOrb. A strong starting point is Dedication and Service (2023). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Hank O'Brien written?
BookOrb lists 1 book by Hank O'Brien.
Where should I start with Hank O'Brien?
A good starting point is Dedication and Service (2023).
What is the Hank O'Brien books in order list?
In publication order: 1. Dedication and Service (2023).