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| Publisher |
DC |
| Artist |
Curt Swan |
| Writer |
Cary Bates |
| Writer |
Jerry Siegel |
| Artist |
John Forte |
| Cover Artist |
Curt Swan |
| Inker |
George Roussos |
| Letterer |
Milt Snapinn |
| Published | March 1970 |
PUZZLE OF THE WILD WORLD / SUN-BOY'S LOST POWER! Professor Farlow Nurd's world-duplicator machine causes a wacky version of the Earth to replace Superman's Earth. Sun Boy loses his powers and has to find a way to recharge them.
