Cover image not available
"An exhibition Thomas Roberts, 1748-1777, coincides with the publication of this book at the National Gallery of Ireland; 28 March-28 June 2009"--Colophon.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
Thomas Roberts : landscape and patronage in eighteenth-century Ireland by William M. Laffan. ISBN 9780955024634. Published by Churchill House Press for the National Gallery of Ireland in 2009. Publication and catalogue information, links to buy online and reader comments.