There are 1 book by Desmond O'Callaghan on BookOrb. A strong starting point is Guns, gunners, and others (1925). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Desmond O'Callaghan written?
BookOrb lists 1 book by Desmond O'Callaghan.
Where should I start with Desmond O'Callaghan?
A good starting point is Guns, gunners, and others (1925).
What is the Desmond O'Callaghan books in order list?
In publication order: 1. Guns, gunners, and others (1925).