From Beyond the Unknown #5

Plot

"The Gorilla Who Challenged the World" (script by Edmond Hamilton, art by Sy Barry), "The Jungle Emperor" (script by Hamilton, art by Barry), "The Watchdogs of the Universe!" (script by Otto Binder, pencils by Sid Greene, inks by Joe Giella), and "The Anti-Invasion Machine" (script by Gardner Fox, art by Carmine Infantino). Letter to the editor from comics writer Mike Barr.