SPIRITUAL FRONTIERS - Complete Year of 4 Issues, 1986 Book Details + Condition: Spiritual Frontiers Fellowship (Independence, MO). First Edition, 1986. Scarce. Softcover magazine. 256 pages total in 4 volumes combined. Four issues of volume XVIII (complete year) numbered 1 through 4, of Spiritual Frontiers, a quarterly periodical published by an organization of the same name that is described by editor Frank C. Tribbe as a national organization, nondenominational, founded in Chicago on March 5, 1956...to sponsor, explore and interpret the grow