There are 1 book by Gemma Patricia O'Brien on BookOrb. A strong starting point is "The sheet anchor of this country" (2005). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Gemma Patricia O'Brien written?
BookOrb lists 1 book by Gemma Patricia O'Brien.
Where should I start with Gemma Patricia O'Brien?
A good starting point is "The sheet anchor of this country" (2005).
What is the Gemma Patricia O'Brien books in order list?
In publication order: 1. "The sheet anchor of this country" (2005).