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"O! Call Back Yesterday!": The Legion learns that Superboy has the mind of Ultra Boy, and several members head back to the 20th Century with him to learn the answer to the mystery.



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Synopsis for "O! Call Back Yesterday!"

The Legion learns that Superboy has the mind of Ultra Boy, and several members head back to the 20th Century with him to learn the answer to the mystery.



Notes

  • This book was first published on July 23, 1981.
  • No special notes.

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  • No trivia.



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