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Gravity: A science fiction mystery.
A discovery beneath the ice could change the fate of the Earth-and the Moon. When geophysicist Alex Cave investigates a mysterious tunnel beneath an Icelandic glacier, he uncovers an impossible device capable of manipulating gravity itself. In the wrong hands,...
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Gravity [Large Print]
Gravity A discovery beneath the ice could change the fate of the Earth-and the Moon. When geophysicist Alex Cave investigates a mysterious tunnel beneath an Icelandic glacier, he uncovers an impossible device capable of manipulating gravity...
The Alex Cave Series Book 4. Gravity.
An impossible gravity surge. A hidden device beneath Iceland's frozen volcanoes. A gold asteroid racing toward Earth.Former CIA operative Alex Cave is the only man standing between humanity and extinction - if he survives the descent into the mountain that...
Gravity. The Alex Cave Series book 4.: (Artific...
Giant globules of molten rock are defying the laws of physics by floating up out of an ancient glacier in this science fiction mystery Geology instructor Alex Cave receives an urgent message about an unusual event in Iceland, creating a huge spiral tunnel down into the dormant...
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