Book 1 "Irish Castles" by Michael Scott, published by Real Ireland in 1993. gives an overview of the castles and provides over 60 pictures. It is 8x8. The second book, Joyce's Dublin, A Walking Guide to Ulysses. is 95 pages long, published by St. Martin's Press (NY) It measures 6.5x9.5. The book is a guide not just to the Joyce book, "Ulysses" but to the streets of Dublin where the story takes place. Lots of black and white photos and maps.