Reviews several books examining the relationship between congressional institutions, legislative organizations and outcomes. `Minority Rights, Majority Rule: Partisanship and the Development of Congress,' by Sarah A. Binder; `Turning the Legislative Thumbscrew: Minority Rights and Procedural Change in Legislative Politics,' by Douglas Dion; `Pivotal Politics: A Theory of U.S. Lawmaking,' by Keith Krehbiel; `Congressional Caucuses in National Policy Making,' by Susan Webb Hammond.