The Political Science Toolbox: A Research Companion to American Government Howard R. Ernst Rowman & Littlefield Publishers 0742547620 / 9780742547629 PAPERBACK Good 0742547620 Good to Fair. Light to moderate shelf wear to covers/corners. Contains light to moderate highlighting, notes, underlining and/or other markings; satisfaction guaranteed. Trade paperback binding. Support Last Word Books & Press and independent booksellers.