Angel, Dark Angel
Zelazny, Roger. "Angel, Dark Angel." Galaxy August 1967. Coll. Far-Out People. New York: NAL, 1971. Rpt. Supermen: Isaac Asimov's Wonderful World of Science Fiction #3. Isaac Asimov, Martin H. Greenberg, and Charles G. Waugh, eds. New York: Signet-NAL, 1984.
The conflict between the peace and order of a "mechanical" society and the dynamic possibility for change associated with "human" society. Rev. Russell Letson, FR #76 (Feb. 1985): 12, source for most of this entry.