Level 7 - Roshwald, Mordecai, and Seed, David, Professor (Editor)

"Level 7" is the diary of Officer X-127, who is assigned to stand guard at the "Push Buttons," a machine devised to activate the atomic destruction of the enemy, in the country's deepest bomb shelter. Four thousand feet underground, Level 7 has been built to withstand the most devastating attack and to be self-sufficient for five hundred years. ...

Level 7 2004, University of Wisconsin Press

ISBN-13: 9780299200640

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Level 7 1989, Lawrence Hill Books, Chicago, IL

ISBN-13: 9781556520655

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Level 7 1970, New American Library, New York

ISBN-13: 9780451004925

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