Gunn-Russell, Alfred Ian. Keys to vital living : understanding the invisible man / Alfred Ian Gunn-Russell. - Shippensburg, PA : Treasure House, c1995. - xiii, 61 p. : ill. ; 21 cm. ISBN: 1560432578 LCCN: 96145168 Subjects--Topical Terms: Christian life--Biblical teaching. LC Class. No.: BV4501.2 / .G845 1995 Dewey Class. No.: 248.4 / G976K