Action Comics 1938 #409 - 4.0 - $6.00

Speedy joins the Teen Titans to search for a missing Olympic athlete.

Origin of the door to the Fortress of Solitude.

On-sale date from Comic Reader #77.

• Who Is Clark Kent's Killer and Why Is He Doing Those Terrible Things to Me? - In the letter column of Action Comics #413, it is reported that Nick Cardy penciled and inked this cover.
• The Secret Olympic Heroes [Part I] - Page 9 is a 2/3-page.
• - Includes a letter from Bob Rozakis.
• The Baffling Block of Metropolis - "An Untold Tale of Superman"