There are 1 book by B. O'Calleghan on BookOrb. A strong starting point is In Your Century (The Developing World) (1981). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has B. O'Calleghan written?
BookOrb lists 1 book by B. O'Calleghan.
Where should I start with B. O'Calleghan?
A good starting point is In Your Century (The Developing World) (1981).
What is the B. O'Calleghan books in order list?
In publication order: 1. In Your Century (The Developing World) (1981).