Rosarium Virginis Mariae. Written on October 16, 2002, on the 25th anniversary of Pope John Paul II's pontificate, this Papal Letter is a call to rekindle interest in the Rosary and its recitation. The Pope describes Mary's role in leading us to her Son, and explains how contemplating the mysteries of the Rosary brings us to a greater understanding of Jesus' love and mercy towards us, and also offers suggestions on how to effectively pray the Rosary. Introduces the Mysteries of Light.