There are 1 book by Thomas J. O'Callaghan on BookOrb. A strong starting point is Violent Crossroads of Central America (2013). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Thomas J. O'Callaghan written?
BookOrb lists 1 book by Thomas J. O'Callaghan.
Where should I start with Thomas J. O'Callaghan?
A good starting point is Violent Crossroads of Central America (2013).
What is the Thomas J. O'Callaghan books in order list?
In publication order: 1. Violent Crossroads of Central America (2013).