Jacks, Bob, Your home a lighthouse /Bob and Betty Jacks with Ron Wormser, Sr. - revisedition. edition. - Colorado Springs, Colorado : NavPress, (c)1987. - 156 pages : illustrations ; 21 cm. LCCN: 87060179 Subjects--Topical Terms: Evangelistic work. LC Class. No.: BV3793 / .Y687 1987 BV3793