Mike is a one of a kind resource. Since 1978, he has authored 12 hardbound books, 34 Irish genealogy county books, 40 CD's/videos, 300 podcasts, 7 broadcast series', and 1,000 articles. O'Laughlin also publishes rare works by 10 authors, including 'The Annals of Ireland by the Four Masters' and 'The Irish Book of Arms' (60 works in all). His web pages have tallied over 100 million visitors.