There are 3 books by Geoffrey G. O'Brien on BookOrb. A strong starting point is Green and Gray (New California Poetry) (2007). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Geoffrey G. O'Brien written?
BookOrb lists 3 books by Geoffrey G. O'Brien.
Where should I start with Geoffrey G. O'Brien?
A good starting point is Green and Gray (New California Poetry) (2007).
What is the Geoffrey G. O'Brien books in order list?
In publication order: 1. The guns and flags project (2002), 2. Green and Gray (New California Poetry) (2007), 3. People on Sunday (2013).