There are 1 book by James F. O'Callaghan on BookOrb. A strong starting point is No Circuses (2015). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has James F. O'Callaghan written?
BookOrb lists 1 book by James F. O'Callaghan.
Where should I start with James F. O'Callaghan?
A good starting point is No Circuses (2015).
What is the James F. O'Callaghan books in order list?
In publication order: 1. No Circuses (2015).