LIFE AND MINISTRY OF THE MESSIAH DISCOVERY GUIDE That the World May Know Series Study Guide for Volume 3 By Ray Vander Laan Published By: Zondervan, Focus on the Family 2009 Appropriate for Ages/Grades: Approx grade 8 – Adults Brand New ~ Paperback ~ Free Media Shipping The 16 DISCOVERY GUIDES in the That the World May Know series are intended to each be used as a supplement to their corresponding DVD. (This listing is for the Guide only.) If you already own the DVD, this guide is highly recommended as an aide in getting the most out of the teaching.