There are 1 book by Brendan O'Callaghan on BookOrb. A strong starting point is Modern medicine man (1993). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Brendan O'Callaghan written?
BookOrb lists 1 book by Brendan O'Callaghan.
Where should I start with Brendan O'Callaghan?
A good starting point is Modern medicine man (1993).
What is the Brendan O'Callaghan books in order list?
In publication order: 1. Modern medicine man (1993).