Zero Hour

NUMA Files #11

When a scientist discovers a possible way to tap an unlimited energy source using machines that cause massive earthquakes, Kurt Austin, Joe Zavala and their NUMA teammates race against time to locate the scientist's machines underground and in a vast ocean trench to prevent catastrophic disasters. Co-written by the best-selling author of Poseidon's Arrow.

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Jun, 2015

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Aug, 2014

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May, 2014
New: $138.55

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Sep, 2013
New: $42.00

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New: $139.81

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Jun, 2013

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May, 2013
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May, 2013
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May, 2013
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May, 2013

Jan, 2013

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Jan, 1900
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Jan, 2015
New: $53.11

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Oct, 2015
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Nov, 2017
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Nov, 2017

Nov, 2017
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Jun, 2015
New: $39.89

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Nov, 2014

Nov, 2014

Nov, 2014
New: $49.18

Used: $50.40
Jan, 2014



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