About the Book
Serial publication in Astounding magazine 1955–1956. First book edition 1956. Also titled Under Pressure and 21st Century Sub.
In the endless war between East and West, oil has become the ultimate prize. Nuclear-powered subtugs brave enemy waters to tap into hidden oil reserves beneath the East’s continental shelf. But the last twenty missions have never returned. Have sleeper agents infiltrated the elite submarine service, or are the crews simply cracking under the pressure?Psychologist John Ramsay has gone
undercover aboard a Hell Diver subtug. His mission is to covertly
observe the remainder of the four-man crew – and find the traitor among
them. Sabotage and suspicion soon plague the mission, as Ramsay
discovers that the stress of fighting a war a mile and a half under the
ocean exposes every weakness in a man. Hunted relentlessly by the
enemy, the four men find themselves isolated in a claustrophobic
undersea prison, struggling for survival against the elements... and
themselves.
A gripping novel by the legendary author of Dune.
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