Four years ago, the author started out on a journey to learn Irish set dancing, at an age, he says "When most men and women are pulling the stool closer to the turf fire and dreaming of life when life was young." The journey took him from Nova Scotia to Milwaukee, Killarney, Ballinasloe and many lesser-known places in between, including a "wacky little burg in the Catskills where Irish dreamers had painted green shamrocks on the pavement all up and down the principal street." Along the way, Devlin says, he met the wildest assortment of Irish and Irish-American characters imaginable and...