Hurley, Pat, The penetrators : how to become an effective youth worker / by Pat Hurley. - [Wheaton, Illinois] : SP Publications, (c)1978. - 64 pages : illustrations ; 28 cm. - Power Pak SonPower Youth Publications . LCCN: 78057369 Subjects--Topical Terms: Church work with youth. LC Class. No.: BV4447 / .P464 1978 BV4447