There are 2 books by Niall O'Carroll on BookOrb. A strong starting point is The Forests of Ireland (1986). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Niall O'Carroll written?
BookOrb lists 2 books by Niall O'Carroll.
Where should I start with Niall O'Carroll?
A good starting point is The Forests of Ireland (1986).
What is the Niall O'Carroll books in order list?
In publication order: 1. The Forests of Ireland (1986), 2. Forestry in Ireland (2004).