COMING IN PAPERBACK Reuven Fenton's novel Goyhood is a brilliant debut about a devoutly Orthodox Jewish man who discovers in middle age that he's not, in fact, Jewish, and embarks on a remarkable road trip to come to grips with his fate; it's Chaim Potok's The Chosen meets Planes, Trains and Automobiles. When Mayer (n e Marty) Belkin fled small-town Georgia for Brooklyn nearly thirty years ago, he thought...