There are 1 book by Patrick S. O'Brien on BookOrb. A strong starting point is Making college count (1996). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Patrick S. O'Brien written?
BookOrb lists 1 book by Patrick S. O'Brien.
Where should I start with Patrick S. O'Brien?
A good starting point is Making college count (1996).
What is the Patrick S. O'Brien books in order list?
In publication order: 1. Making college count (1996).