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eBook, 1985
Current format, eBook, 1985, , Available.
eBook, 1985
Current format, eBook, 1985, , Available. Offered in 0 more formats
The reader builds a radio telescope for a science fair project which transmits the message, "Calling outer space." But when extraterrestrials answer your message, you must decide what to do. By choosing specific pages, the reader determines the outcome of the plot.
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