George and Gracie land in Menlo Park, New Jersey, 1879, near Thomas Edison's laboratory. Mr. Edison is keeping a huge secret: he's discovered time travel and has built his own time machine. The kids get an even bigger surprise when a young Mr. Crowe walks into Edison's laboratoryNas his assistant! Illustrations.
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George and Gracie land in Menlo Park, New Jersey, 1879, near Thomas Edison's laboratory. Mr. Edison is keeping a huge secret: he's discovered time travel and has built his own time machine. The kids get an even bigger surprise when a young Mr. Crowe walks into Edison's laboratoryNas his assistant! Illustrations.
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