Action Comics 1938 #313 - 2.0 - $10.00

The boys learn a lesson about littering.

The Android Master, a member of the Superman Revenge Squad, uses android doubles of Superman's friends to torment him.

When Lena Thorul learns that she is Lex Luthor's sister, the shock causes her to lose her memory and she takes the identity of the Jungle Princess, using her telepathic powers to control animals.

On-sale date from copyright registration.

• Are You a Good Neighbor? - inside front cover; published in cooperation with the National Social Welfare Assembly
• - Membership application form for the Supermen of America; also includes message in secret code (Code Krypton No. 9). Decoded message reads: "In the August World's Finest, Superman fights Batman on equal terms in the bottle of Kandor."
• Watch for the First Superboy Annual! - house ad for Superboy Annual (DC, 1964 series) #1, on sale April 23
• - Letters submitted by Jerry Sears, Betsy Amself, Cheryl Duncan, John Salvagno, B. Andrew, Ann Matos, Robert L. Durr, and Goldie Farrow.
• - Inside back cover.
• - Back cover.