God Heard Their Cry Discovery GuideThis five session small group Bible study, God Heard Their Cry, by Ray Vander Laan, is volume eight of the That the World May Know series. In it, Vander Laan illustrates how God answered the Israelites as they were persecuted in Egypt. This five session small group Bible study (DVD digital video sold separately) by noted teacher and historian, Ray Vander Laan, is volume eight of the That the World May Know filmed on location DVD and Discovery Guide