World's Finest Comics # 224 - The Shocking Switch of the Super-Sons ; Tubby Watts, Efficiency Expert! ; Never Bet Against An Element Man!

A "100 page Super-Spectacular"

1. The Shocking Switch of the Super-Sons (Superman, Batman, and their Super Sons / written by Bob Haney : reprinted in: Superman/Batman: Saga of the Super Sons (2007))comes in 3 parts:

part 1. A Chasm So Wide...!

part 2. The Mighty Marauder

part 3. The Breath of Death.

1. Tubby Watts, Efficiency Expert! (Johnny Quick, Tubby Watts / written by Don Cameron : reprinted from: Adventure Comics #174)

2. Behind the Scenes with 'Super Friends' (written by Allan Asherman)

3. Superman's Secret Master! (Superman, Batman, Robin, Lex Luthor, Lois Lane, Perry White, Superman robot / written by Bill Finger : reprinted from: World's Finest Comics #137)

4. Never Bet Against An Element Man! (Metamorpho / written by Bob Haney : reprinted from: Metamorpho #6 (1966))

5. Fort Crime! (Superman, Batman, Robin, Lois lane, Perry White / written by Alvin Schwartz : reprinted from: World's Finest Comics #72)