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| Publisher |
DC |
| Series |
Adventure Comics |
| Published | March 1960 |
| Artist |
Curt Swan |
| Writer |
Various Writers |
Jonathan Kent and Martha Kent are abducted to the sub-atomic world of Xelthu, and two Xelthuians impersonate them, but cannot deceive Superboy for long. Even though their attempt to use a Red Kryptonite ray to transfer him to their world goes awry, he is able to save their tiny world and regain his parents.