"Gluten Exposed" is a non-revolutionary, non-miracle-promising book of genuine science by Dr. Peter Green, director of Columbia University’s Celiac Disease Center, and medical writer Rory Jones. It comes on the heels of such best-sellers as "Wheat Belly" and "Grain Brain"—and for people who have learned about gluten from these titles, it will be somewhat perplexing. "Gluten Exposed" contains no stories about astonishing autism reversals. No promises of Alzheimer’s prevention. No weight-loss secrets the establishment doesn’t want you to know. Dr. Oz has not endorsed it. There aren’t even recipes in the back!