World's Finest Comics #81

“The True History of Superman and Batman,” and someone knows their secret identities.

1. The True History of Superman and Batman (Superman, Batman and Robin / written by Edmond Hamilton)
2. Shorty (gag strip by Henry Boltinoff)
3. Healthy Teeth for You and Your Pet (public service message by Binky / written by Jack Schiff)
4. The G.A. Goes G.I. (Green Arrow)
5. Peg (gag strip by Henry Boltinoff)
6. Spotlight on a New Sport (full text article by Jack Miller)
7. The Frontier Informer (Tomahawk)

"I Ka-Thar, of 5956, have the whole truth about you in this book--including your secret identities-- Clark Kent, Bruce Wayne, Dick Grayson!"