Harrison, Harry. A transatlantic tunnel, hurrah! / [electronic resource] / Harry Harrison.. — New York, : Pinnacle Books,, c1972. — 254 p. ; 18 cm. — (A Tom Doherty Associates book)(TOR science fiction)(Pinnacle/TOR books).
Originally published as: Tunnel through the deeps. On cover: "Jim Baen presents: " Cover illustration by Rick Sternbach.