Both Hands Tied: Welfare Reform and the Race to the Bottom of the Low-Wage Labor Market. By Jane L. Collins and Victoria Mayer. Chicago: University of Chicago Press, 2010. Pp. xiii+219. $22.50 (paper).Stretched Thin: Poor Families, Welfare Work, and Welfare Reform. By Sandra Morgen, Joan Acker, and Jill Weigt. Ithaca, N.Y.: Cornell University Press, 2010. Pp. xvi+238. $59.95 (cloth); $22.95 (paper).