The little prince in Irish - Chapters bookstore on Parnell st.
FYI - if you are interested
I found the book in the bookstore and got it, the Irish should be appropriately simpler, it is kids book obviously... 8.99E
Can also be found here: http://www.bookdepository.com/Prionsa-Beag-Antoine-de-Saint-Exupery/9780955625008, for those of us outside the Dublin area. :)