The Supreme Court Justices are famous for their disagreements. Yet they actually come together in agreement on a surprising number of cases. Why do Justices with such passionate ideological differences agree so often?

Political scientists Pamela C. Corley, Amy Steigerwalt, and Artemus Ward explore the question in The Puzzle of Unanimity: Consensus on the United States Supreme Court. Professor and ISCOTUS Director Christopher Schmidt reviewed the book for H-Law. You can read his assessment of their work here.