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. Soon Helen's new discoveries will lead her to the mysterious asteroid Ceres in a desperate race to reach Jupiter's perilous miniature system of radiation-bombarded moons. Original.
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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. Soon Helen's new discoveries will lead her to the mysterious asteroid Ceres in a desperate race to reach Jupiter's perilous miniature system of radiation-bombarded moons. Original.
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Add this copy of Threshold (2) (Boundary) to cart. $0.99, very good condition, Sold by Greenworld Books rated 4.0 out of 5 stars, ships from Arlington, TX, UNITED STATES, published 2010 by Baen.
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Very Good condition book with a firm cover and clean pages. Shows normal use and some light wear or limited notes markings. A solid nice copy to enjoy.
Add this copy of Threshold to cart. $1.40, good condition, Sold by Greenworld Books rated 4.0 out of 5 stars, ships from Arlington, TX, UNITED STATES, published 2012 by Baen.
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Good condition. It may show normal signs of use such as light writing highlighting or library markings but all pages are intact and the book is fully readable. A solid complete copy that's ready to enjoy.
Add this copy of Threshold to cart. $2.39, good condition, Sold by ThriftBooks-Reno rated 4.0 out of 5 stars, ships from Reno, NV, UNITED STATES, published 2012 by Baen.
Add this copy of Threshold to cart. $2.39, fair condition, Sold by ThriftBooks-Dallas rated 4.0 out of 5 stars, ships from Dallas, TX, UNITED STATES, published 2012 by Baen.
Add this copy of Threshold to cart. $2.70, good condition, Sold by Saveherenow rated 5.0 out of 5 stars, ships from San Diego, CA, UNITED STATES, published 2012 by Baen.
Add this copy of Threshold to cart. $3.86, very good condition, Sold by HPB-Emerald rated 4.0 out of 5 stars, ships from Dallas, TX, UNITED STATES, published 2012 by Baen.
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Very good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority!
Add this copy of Threshold to cart. $3.86, very good condition, Sold by HPB-Diamond rated 4.0 out of 5 stars, ships from Dallas, TX, UNITED STATES, published 2012 by Baen.
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Very good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority!
Add this copy of Threshold to cart. $3.86, very good condition, Sold by HPB Inc. rated 4.0 out of 5 stars, ships from Dallas, TX, UNITED STATES, published 2012 by Baen.
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Very good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority!
Add this copy of Threshold to cart. $3.86, very good condition, Sold by Half Price Books Inc rated 4.0 out of 5 stars, ships from Dallas, TX, UNITED STATES, published 2012 by Baen.
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Seller's Description:
Very good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority!
Add this copy of Threshold to cart. $3.99, very good condition, Sold by HPB-Diamond rated 4.0 out of 5 stars, ships from Dallas, TX, UNITED STATES, published 2012 by Baen.
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Seller's Description:
Very good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority!
