The Death and Life of the Great American School System: How Testing and Choice Are Undermining Education , by Diane Ravitch. New York: Basic Books, 2010, 296 pp., $15.72, hardcover. Spin Cycle: How Research Is Used in Policy Debates , by Jeffrey Henig. New York: Russell Sage Foundation, 2008, 312 pp., $32.50, hardcover. The Ordeal of Equality: Did Federal Regulation Fix the Schools? by David K. Cohen and Susan L. Moffitt. Cambridge, MA: Harvard University Press, 336 pp., $27.82, hardcover