Mass Market Magazines
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Issue #1-REP
Published Nov 1973 by Scholastic Book Services.$2.50
2nd or later printing. Written by Lester Del Rey. Has the experiment failed? Why hasn't Doc Tom returned through the time tunnel? "He's hours overdue," says Bob grimly. "Where is he?" "Back 80 million years in time," says Dr. Miller. "Back in the age of the dinosaurs." What has gone wrong? Is it too late to save Pete's father? There is only one way to find out. Pete and Bob must go through the time tunnel. Softcover, 5" x 8", 160 pages, B&W, text only.