Calling Outer SpaceeBook - 1985
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.
Publisher: New York : Scholastic Inc., c1985
Characteristics: 93 p. : ill. ; 18 cm