Book Review: SNAP Matters: How Food Stamps Affect Health and Well-beingBartfeldJudithGundersenCraigSmeedingTimothy M.ZiliakJames P., eds. 2015. SNAP Matters: How Food Stamps Affect Health and Well-being. Redwood City, CA: Stanford University Press. 228 pp. US$27.95, ISBN: 9780804796835.