Shibley, David, Once in a lifetime : seizing today's opportunities for world harvest / [print] David Shibley. - Tonbridge, England : Sovereign Word, (c)1997. - 156 pages ; 20 cm. Includes bibliographical references. Nat. Bib. No.: GBA4-22163 Subjects--Topical Terms: Evangelistic work.Witness bearing (Christianity) LC Class. No.: BV3790.S555.O534 1997