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book cover of Threshold

Threshold

(2010)
(The second book in the Boundary series)
A novel by

 
 
When the strange fossil she'd discovered had ended up giving 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've also married A.J. Baker, overconfident super- sensor expert for the only private agency in space ? the Ares Corporation -- and your best friend Madeline Fathom Buckley is a former secret agent who's just signed on as the chief of security for the newly created and already embattled Interplanetary Research Institute of the United Nations, there's always somewhere farther to go.

The newest discoveries will take her, A.J., and their friends Jackie, Joe, and Madeline to the mysterious asteroid Ceres ? and beyond, in a desperate race to Jupiter's perilous miniature system of radiation- bombarded moons. The next gold rush is on ? for alien technology, hidden in lost bases around the system. And there are people willing to do anything to get it ? even plan the first interplanetary war, four hundred million miles from home!

Genre: Science Fiction    

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Used availability for Eric Flint's Threshold

Hardback Editions

June 2010 : USA Hardback
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Title: Threshold (Boundary)
Author(s): Eric Flint, Ryk E Spoor
ISBN: 1-4391-3360-3 / 978-1-4391-3360-6 (USA edition)
Publisher: Baen
Availability: Amazon   Amazon UK   Amazon CA   


Paperback Editions

May 2012 : USA Mass Market Paperback
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Title: Threshold
Author(s): Eric Flint, Ryk E Spoor
ISBN: 1-4516-3777-2 / 978-1-4516-3777-9 (USA edition)
Publisher: Baen
Availability: Amazon   Amazon UK   Amazon CA   


Audio Editions

May 2016 : MP3 CD
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Title: Threshold
Author(s): Eric Flint, Ryk E Spoor
ISBN: 1-5113-9824-8 / 978-1-5113-9824-4
Publisher: Audible Studios on Brilliance Audio
Availability: Amazon   Amazon UK   Amazon CA   


January 2015 : USA Audio edition
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Title: Threshold: Boundary, Book 2
Author(s): Eric Flint, Ryk E Spoor
Publisher: Audible Studios
Availability: Amazon   


January 2015 : Canada Audio edition
thumb

Title: Threshold: Boundary, Book 2
Author(s): Eric Flint, Ryk E Spoor
Publisher: Audible Studios
Availability: Amazon CA   


January 2015 : UK Audio edition
thumb

Title: Threshold: Boundary, Book 2
Author(s): Eric Flint, Ryk E Spoor
Publisher: Audible Studios
Availability: Amazon UK   


Kindle Editions

June 2010 : USA, Canada, UK Kindle edition
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Title: Threshold (Boundary Series Book 2)
Author(s): Eric Flint, Ryk E Spoor
Publisher: Baen Books
Availability: Amazon   Amazon UK   Amazon CA