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Threshold

By Eric Flint, Ryk E. Spoor
Paperback
$7.99
By Eric Flint, Ryk E. Spoor
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The second book in the popular Boundary SF adventure series co-authored by multiple New York Times bestseller Eric Flint and Ryk E. Spoor.

When the strange fossil she'd discovered gave her a trip to Mars, Helen Sutter thought she'd gone about as far as any paleontologist would ever go in her lifetime. But when you're married to an overconfident super-sensor expert for the only private agency in space - the Ares Corporation - and your best friend is a former secret agent for the Interplaneta...

Categories

Science Fiction & FantasySpace Exploration - FictionScience Fiction - Military & Space Adventure