In a stealthy, bucolic hamlet called Bijakovici, located in the Alps of the former Yugoslavia, the Virgin Mary appeared in 1981 to six children. Known throughout the world today as "Medjugorje," a prophetic appeal to mankind is heard, with the visionaries claiming the Madonna had come to help the world find peace before it was "too late." More than sixty million people have trekked to Medjugorje over the past forty-two years, as healings,...