7 TITLES  |  SORT BY:

The Lightning Stones

A Novel

Geologist and adventurer Philip Mercer is visiting an old friend who’s working far down in Minnesota’s Leister Deep Mine—but he arrives too late to save Abe Jacobs and his climate-research team from a shocking, brutal attack ...

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River of Ruin

In the heart of Panama, a volcanic lake feeds a serpentine river—its stone banks laid by the Inca, who took back the gold and jewels plundered from them by the conquistadors. Legend has it that the Twice-Stolen Treasure has been buried for ...

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The Medusa Stone

In the tiny African nation of Eritrea, the American spy satellite Medusa has crashed but not before its sensors revealed an underground kimberlite pipeline, the telltale sign of a huge load of diamonds. The mine turns out to be King Solomon's Lost ...

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