On-sale date from copyright registration.
story continued from Action Comics #372; continues in the following issue
letters submitted by Martin Pickup; Howard Schwartz; Jeffrey Goldsmith; Peter Kapesser; Robert Fare; Marianne Kreuter; Rock Punt
Statement of October 1, 1968
Average number of copies sold during preceding 12 months (total paid circulation): 423,000
Actual number sold for issue nearest filing date (total paid circulation): 443,856
Owner: National Periodical Publications, Inc., 575 Lexington Avenue, N.Y.,N.Y., 10022, wholly owned by Kinney National Service, Inc., 10 Rockefeller Plaza, N.Y., N.Y. 10020, a publicly-held corporation