the briefest of definitions of Mysticism as the desire for union with the author surveys the mystical religious spirit in such non-Christian , Buddhism, Hinduism, and others, and then proceeds to a chronological mysticism. Beginning with mystical elements in the New Testament, development of mystical thought and experience through later eras of down to modern times. The story is unfolded in terms of the leading period. Brief biographical backgrounds are given as necessary, as is , but the larger part of the narrative is given to a summary of each of the figures named. These tend to be almost exclusively--in the in the Roman Catholic tradition. The author finds the general ""inimical"" to the mystical spirit. Consequently, such as George ox and William Law are not included. Not intended to be of the subject, the book still serves as a very helpful Catholic mysticism. The style is simple but living, and a bibliography adds to the value of the book.