A Minnesotan of Norwegian extraction -- and very funny -- Dregni writes winningly of Norwegian culture and the immigrant experience in this deligtful account of a year in Trondheim on a Fulbright with his wife and infant son. Eric Dregni has written 13 books including Follies of Science, Weird Minnesota, Midwest Marvels, The Scooter Bible, Ads That Put America on Wheels, and Let's Go Bowling! He lives in Minneapolis where he teaches Italian and creative writing and plays guitar in the mock-rock trio Vinnie & the Stardsters.  (NOR68, $22.95)