By Mark C. Childs University of New Mexico Press, 2004, 230 pp., hardcover $45. At first, Squares annoyed me. The Table of Contents fills five entire pages, the “Table of Queries” goes on for seven more, and then the Table of Figures consumes another three. Who wants to wade through so many pages of preliminaries? But once I started reading the main text, my resistance soon changed to admiration.