A 'stunning' new book that showcases some of the more spectacular and important shipwrecks in Irish waters was unveiled today in Dublin's Custom House by theMinister for Arts, Heritage and the Gaeltacht, Jimmy Deenihan, TD together with Fergus O'Dowd TD, Minister of State, Department of Communications, Energy & Natural Resources, officially launched the beautifully illustrated "Warships, U-Boats & Liners—A Guide to Shipwrecks Mapped in Irish Waters".