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Once again Gemini Jack is in his shop at the Middle Valley Mall, offering out-of-this-world gadgets for rent. And once again he’s hoping twins Tod and Tessa can help him with problems on his home planet. But Tod and Tessa have problems of their own. The Gneiss twins, who were once so evil they scared their own mother, are now sickeningly nice. Worse, they’ve decided that Tod and Tessa are their best friends. It’s as if the entire balance of the universe has gone kablooey! Then there’s Nigel Throbber, a great rock drummer in his time–a long, long time ago. Using one of Jack’s unearthly gadgets, Tod and Tessa help Nigel escape from his fame temporarily–only to learn that the effects are permanent! Once they restore Nigel’s celebrity, all they have to do is save Jack’s planet and convince Nancy Gneiss that she doesn’t really have a crush on Tod–which makes restoring the balance of the universe look like a total breeze.

Gemini Jack is back in his shop at the Middle Valley Mall, and once again he’s hoping twins Tod and Tessa can help him with problems on his home planet. But Tod and Tessa have problems of their own. The Gneiss twins, once so evil they scared their own mother, are now sickeningly nice. It’s as if the entire balance of the universe has gone kablooey! Then Tod and Tessa use one of Jack’s gadgets to help the great rock drummer, Nigel Throbber, escape from his fame temporarily–only to learn the effects are permanent! Now they need to give Nigel back his celebrity, save Jack’s planet, and convince Nancy Gneiss that she doesn’t really have a crush on Tod. Which makes restoring the balance of the universe look like a breeze. . . .