"This book is about the lost years of earliest Christianity, about the 30s and 40s of the first century, about those dark decades immediately after the execution of Jesus...The obscurity of the 30s and 40s can be emphasized by the comparative brilliancy of the 50s. From that later decade we have the letters of Paul...From them, above all else, we receive the temptation to gloss speedily over the 30s or 40s and move swiftly to those better-documented...