For 1,600 years its message lay hidden. When the bound papyrus pages of this lost gospel finally reached scholars who could unlock its meaning, they were astounded. Here was a gospel that had not been seen since the early days of Christianity, and which few experts had even thought existed-a gospel told from the perspective of Judas Iscariot, history's ultimate traitor. And far from being a villain, the Judas that emerges in its pages is a hero. In...