[Book I.] Right and wrong as a clue to the meaning of the universe -- The law of human nature -- Some objections -- The reality of the law -- What lies behind the law -- We have cause to be uneasy -- [Book II.] What Christians believe -- The rival conceptions of God -- The invasion -- The shocking alternative -- The perfect penitent -- The practical conclusion -- [Book III.]Christian behaviour -- The three parts of morality -- The "cardinal virtues" -- Social morality -- Morality and psychoanalysis -- Sexual morality -- Christian marriage -- Forgiveness -- The great sin -- Charity -- Hope -- Faith -- Faith (cont.) -- [Book IV.] Beyond personality: or first steps in the doctrine of the trinity -- Making and begetting -- The three-personal God -- Time and beyond time -- Good infection -- The obstinate toy soldiers -- Two notes -- Let's pretend -- Is Christianity hard or easy? -- Counting the cost -- Nice people or new men -- The new men.