A proper examination of conscience is surely one of the most challenging tasks of the Christian life. For the laity, charged with the work of sanctifying the world "from within as a leaven" (in the words of Lumen gentium), this task is made especially difficult by the clamorous distractions which come simply from being in the world, even if not of the world. To ease the difficulty of this task, Monsignor Knox offers in The Layman...