Here's a list of Norpoth's books/monographs:
Analysis of Variance (with Gudmund Iversen) Beverly Hills and London: Sage Publications, 1976; 2nd ed. 1987.
Politics and Government in Europe Today (with Colin Campbell, Harvey Feigenbaum and Ronald Linden). San Diego: Harcourt Brace Jovanovich, 1990; 2nd ed. Boston: Houghton Mifflin, 1995.
Economics and Politics: The Calculus of Support (ed., with Michael Lewis-Beck and Jean-Dominique Lafay). Ann Arbor: University of Michigan Press, 1991.
Confidence Regained: Economics, Mrs. Thatcher and the British Voter. Ann Arbor: University of Michigan Press, 1992. [Featured in an "Author Meets Critics" panel at the 1993 Meeting of the American Political Science Association, Washington, DC]
The American Voter Revisited (with Michael Lewis-Beck, William Jacoby and Herbert Weisberg), Ann Arbor: University of Michigan Press, 2008.
Yeah, he sounds like he loves writing sensationalist crap to make a quick buck. Those are some real exploitative, strike while the iron's hot titles. The types you see at Wal-Mart and Costco meant to draw people in with eye-grabbing titles. They must be really lucrative since he only has to write one every 10 years of his 50 year career.