Credits corrected to match Siegel's records: Siegel and Shuster v. National Comics Publications, Inc. et al., case no. 1099 (Westchester Cty. Sup. Ct. 1947).
Inside front cover. Includes "Superman's Secret Message" and enrollment coupon for Supermen of America.
Credits corrected to match Siegel's records for Action 66 based on credits from Siegel's records: Siegel and Shuster v. National Comics Publications, Inc. et al., case no. 1099 (Westchester Cty. Sup. Ct. 1947).
Writer and letterer credits added by Craig Delich.
Writer credit per Jerry Bails.