Notes:
The on-sale date is from the publication date recorded in the Catalog of Copyright Entries, Part 2, Periodicals, 1943, New Series, Vol. 38, No. 2.
Character(s):
The Angel; Fritz Von Bock (villain, introduction); Otto (villain, introduction); Kurt (villain, introduction); other Nazi spies (villains, introductions); Dr. C. J. Noon (introduction)